Do I Have to Delete Avast Before Installing Again

General

What is Avast One?

Avast 1 is an all-in-one security and optimization tool for your Windows PC. It is available as both a complimentary and paid product. Avast Ane includes the following features:

• Comprehensive Avast antivirus protection
• Access to Virtual Individual Network (VPN)
• Data alienation monitoring that alerts you if any of your passwords are leaked online
• Tools to assistance you forbid online tracking
• Tools designed to improve the speed of your PC

What is the difference betwixt the costless and paid versions of Avast One?

The free version of Avast Ane (Avast One Essential) includes comprehensive Avast antivirus protection and limited access to VPN Secure Connection, Password Protection, and Software Updater.

The paid version of Avast One includes all the features available in the gratis version, also as unlimited access to VPN Secure Connection, Countersign Protection, and Software Updater. The following additional features are also bachelor:

• Sensitive Data Shield
• Web Hijack Baby-sit
• Webcam Protection
• Disk Cleaner
• Driver Updater

Is there a gratis trial available for the paid version of Avast One?

Yes. After you download and install Avast One, the application is automatically in free-trial fashion. This ways that you have access to the premium product features for a limited time menstruation. You tin can check when your gratuitous trial expires past clicking Business relationship in the left panel. The death date is visible under Subscription. To proceed using the premium features after your costless trial ends, you need to buy a paid Avast 1 subscription.

What are the organisation requirements for Avast One?

• Windows eleven except Mixed Reality and IoT Edition; Windows 10 except Mobile and IoT Edition (32 or 64-bit); Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 SP1 with Convenient Rollup Update or later, any Edition (32 or 64-chip)
• Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or higher up (must back up SSE3 instructions); ARM-based devices are not supported
• 1 GB RAM or above
• 2 GB complimentary infinite on the hard disk drive
• Internet connection to download, activate, and maintain awarding updates and antivirus database
• Optimally standard screen resolution no less than 1024 x 768 pixels

What is Avast One?

Avast One is an all-in-1 security and optimization tool for your Mac. It is available as both a free and paid product. Avast One includes the post-obit features:

• Comprehensive Avast antivirus protection
• Access to Virtual Individual Network (VPN)
• Data breach monitoring that alerts you lot if any of your passwords are leaked online
• Tools to help you forestall online tracking
• Tools designed to improve the speed of your Mac

What is the difference between the gratuitous and paid versions of Avast One?

The gratis version of Avast One (Avast I Essential) includes comprehensive Avast antivirus protection, Browser Cleaner, and limited access to VPN Secure Connectedness and Information Breach Monitoring.

The paid version of Avast One includes all the features available in the gratuitous version, every bit well as unlimited access to VPN Secure Connection and Data Breach Monitoring. The post-obit additional features are as well bachelor:

• Photo Cleaner
• Disk Cleaner
• App Uninstaller
• Web Hijack Guard
• Tracking Prevention

Is in that location a costless trial bachelor for the paid version of Avast Ane?

Aye. After installing Avast One, you tin access a xxx-day complimentary trial of the premium features past following the steps below:

1. Click Go premium.
2. Move your cursor towards the cherry-red 10 in the meridian-left corner of the subscription pricing screen. The free trial offer appears.
3. Click Endeavor for free on the pop-upward message.
4. Click Start Free trial, then follow the on-screen instructions.

You demand to enter payment details before starting your gratuitous trial. If you cancel your subscription earlier the gratuitous trial expires, you are not charged.

What are the system requirements for Avast I?

• Apple macOS 12.x (Monterey), Apple macOS 11.x (Big Sur), Apple macOS ten.xv.x (Catalina), Apple macOS 10.14.ten (Mojave), Apple macOS ten.13.10 (Loftier Sierra)
• Intel based Mac with 64-fleck processor
• 512 MB RAM or above (1 GB RAM or college preferred)
• 750 MB free space on the hard disk
• Internet connection to download, activate, and maintain application updates and the antivirus database
• Optimally standard screen resolution no less than 1024 x 768 pixels

What is Avast One?

Avast Ane is an all-in-i security and optimization tool for your Android device. It is available as both a free and paid production. Avast One includes the following features:

• Comprehensive device protection
• Admission to Virtual Private Network (VPN)
• Data breach monitoring that alerts you lot if whatever of your passwords are leaked online
• Tools designed to speed up your Android device and free upwards storage space

What is the difference between the free and paid versions of Avast One?

The free version of Avast One (Avast One Essential) includes comprehensive Avast antivirus protection and limited access to VPN Secure Connectedness and Information Breach Monitoring.

The paid version of Avast One includes all the features available in the free version, every bit well as unlimited admission to VPN Secure Connection, Data Breach Monitoring, and additional features such as automatic scans and cleaners that help boost your device'southward performance.

Is there a free trial bachelor for the paid version of Avast I?

No. Currently we do not offer a gratis trial of Avast One.

What are the system requirements for Avast One?

• Google Android half-dozen.0 (Marshmallow, API 23) or later
• Net connectedness to download, actuate, and maintain app updates

What is Avast One?

Avast One is an all-in-1 security and privacy tool for your iOS device. It is available as both a costless and paid production. Avast Ane includes the post-obit features:

• Comprehensive Avast antivirus protection
• Access to Virtual Individual Network (VPN)
• Data breach monitoring that alerts you if any of your passwords are leaked online
• Photo Vault to keep your photos individual

What is the departure between the costless and paid versions of Avast One?

The free version of Avast One (Avast 1 Essential) includes comprehensive device protection and limited access to VPN Secure Connection, Photo Vault, and Data Alienation Monitoring.

The paid version of Avast Ane includes all the protection features bachelor in the costless version, and unlimited admission VPN Secure Connection, Photograph Vault, and Information Breach Monitoring.

Is in that location a gratis trial available for the paid version of Avast One?

No. Currently we practice non offering a gratuitous trial of Avast One.

What are the system requirements for Avast I?

• Apple iOS xiii.0 or later
• Net connection to download, activate, and maintain app updates

Migration

How does the launch of Avast One bear upon Avast Free Antivirus?

Avast Gratuitous Antivirus will continue to receive virus definition updates and awarding updates as normal. Migrating from Avast Free Antivirus to Avast Ane is optional. You can choose if you want to remain using Avast Free Antivirus, or migrate to Avast One.

What happens if I drift to Avast One?

• Yous continue to take access to most device protection features that are included in Avast Free Antivirus.
• Y'all gain limited access to online privacy and functioning features such as:
  • VPN Secure Connectedness
  • Clear Browsing Data
  • Data Alienation Cheque
  • PC Speedup
  • Software Updater
• You lot lose admission to the following features that are non included in Avast Ane:
  • Wi-Fi Inspector
  • Mail service Shield
  • Rescue Deejay
  • Practice Non Disturb Mode

How does the launch of Avast 1 bear upon Avast Premium Security?

Avast Premium Security will continue to receive virus definition updates and awarding updates equally normal. Migrating from Avast Premium Security to Avast One is optional. You lot can choose if you want to remain using Avast Premium Security, or drift to Avast One.

What happens if I drift to Avast One?

• You continue to have access to most device protection features that are included in Avast Premium Security.
• You proceeds full admission to online privacy and performance features such equally:
  • VPN Secure Connection
  • Data Breach Monitoring
  • Commuter Updater
  • Deejay Cleaner
  • PC Speedup
• You lose access to the following features that are not included in Avast One:
  • Wi-Fi Inspector
  • Mail Shield
  • Sandbox
  • Data Shredder
  • Rescue Disk
  • Remote Access Shield
  • Do Not Disturb Mode
  • Gaming Mode
  • Some advanced Firewall settings
• Your Avast Premium Security (single-device) subscription is changed to an Avast One subscription.

For detailed instructions on how to drift from Avast Premium Security to Avast One, refer to the following section:

• How tin I migrate from Avast Premium Security to Avast One?

How does the launch of Avast I affect other Avast products?

All other Avast products volition continue to work and receive application updates as normal. Still, it is not possible to use the following applications aslope Avast One:

• Avast SecureLine VPN
• Avast Cleanup Premium
• Avast AntiTrack
• Avast BreachGuard
• Avast Driver Updater

If you try to install Avast I when y'all already have any of the above listed applications installed on your PC, the Avast One installation is blocked. To resolve the conflict with your existing Avast product(s), yous need to uninstall each application before installing Avast 1.

If you use Avast Battery Saver, you can install Avast One and keep to utilise Battery Saver alongside Avast Ane.

Do I need to uninstall previous Avast products before I install Avast I?

Aye. If you have whatsoever of the following products installed on your PC, you lot need to uninstall them earlier installing Avast One. For uninstallation instructions, refer to the relevant commodity below:

• Avast Premium Security in trial fashion or with an expired subscription ▸ Uninstalling Avast Premium Security
• Avast SecureLine VPN ▸ Uninstalling Avast SecureLine VPN
• Avast Commuter Updater ▸ Uninstalling Avast Driver Updater
• Avast Cleanup Premium ▸ Uninstalling Avast Cleanup Premium
• Avast BreachGuard ▸ Uninstalling Avast BreachGuard
• Avast AntiTrack Premium ▸ Uninstalling Avast AntiTrack Premium

It is non necessary to uninstall

Avast Battery Saver

earlier installing Avast One. You tin can use Avast Battery Saver alongside Avast One.

How can I migrate from Avast Gratuitous Antivirus to Avast One?

You can drift directly via your Avast Gratuitous Antivirus awarding using ane of the methods below:

• Click I accept. Start migration on the offering screen that appears when you lot open Avast Free Antivirus and follow the on-screen instructions.
• Go to ☰ Menu ▸ My Subscriptions, so select Sign in or Explore Avast One and follow the on-screen instructions.

If you exercise non see the Sign in or Explore Avast Ane buttons, this means it is currently not possible for you to drift to Avast One due to some other incompatible Avast production installed on your device.

Alternatively, you can download Avast One from the Avast website. Withal, yous may encounter bug with the installation due to a conflict with your existing Avast Costless Antivirus installation. Therefore, we recommend uninstalling Avast Free Antivirus before yous try to install Avast Ane.

For uninstallation and installation instructions, refer to the post-obit articles:

• Uninstalling Avast Free Antivirus
• Installing Avast One

How tin I migrate from Avast Premium Security to Avast One?

If yous have an Avast Premium Security (single-device) subscription, y'all tin migrate straight via your Avast Premium Security application using one of the methods below:

• Click I accept. Start migration on the offer screen that appears and follow the on-screen instructions.
• Go to ☰ Menu ▸ My Subscriptions, and then select Sign in or Explore Avast One and follow the on-screen instructions.

If y'all do non see the Sign in or Explore Avast Ane buttons, this means it is currently not possible for you lot to migrate to Avast 1 due to an incompatible subscription or other Avast product installed on your device.

During migration you are prompted to sign in with your Avast Account or create a new account. Afterwards signing in with the same Avast Account that contains your Avast Premium Security (single-device) subscription, your subscription is inverse to Avast One.

If you create a new account to sign in to Avast One, or the business relationship you use is not connected to your Avast Premium Security (unmarried-device) subscription, your subscription will not automatically convert to Avast One.

Currently, it is but possible to migrate an Avast Premium Security (unmarried-device) subscription to Avast One. If you have an Avast Premium Security (multi-device) subscription, yous cannot convert this to an Avast One subscription.

How does the launch of Avast I affect Avast Security?

Avast Security will proceed to receive virus definition updates and awarding updates as normal. Upgrading from Avast Security to Avast I is optional. You can choose if yous want to remain using Avast Security, or upgrade to Avast One.

It is non possible to install Avast One when y'all already have Avast Security installed on your device. If y'all want to upgrade to Avast One, first uninstall Avast Security earlier installing Avast One.

What happens if I upgrade to Avast One?

• You continue to have access to most protection features that are included in Avast Security.
• You lot gain limited access to online privacy and performance features such every bit:
  • VPN Secure Connection
  • Data Alienation Monitoring
  • Clear Browsing Data
  • Photograph Cleaner
  • Ransomware Protection
• You lose admission to the following features that are not included in Avast One:
  • Wi-Fi Inspector
  • Email Shield

How does the launch of Avast One affect Avast Premium Security?

Avast Premium Security will continue to receive virus definition updates and application updates as normal. Upgrading from Avast Premium Security to Avast One is optional. You can choose if you want to remain using Avast Premium Security, or upgrade to Avast I.

Information technology is not possible to install Avast One when yous already have Avast Premium Security installed on your device. If you lot want to upgrade to Avast One, start uninstall Avast Premium Security before installing Avast One.

For detailed instructions on how to upgrade from Avast Premium Security to Avast One, refer to the following department:

• How tin I upgrade from Avast Premium Security to Avast One?

What happens if I upgrade to Avast I?

• You continue to have access to most device protection features that are included in Avast Premium Security.
• Yous gain full admission to online privacy and performance features such as:
  • VPN Secure Connection
  • Data Breach Monitoring
  • Disk Cleaner
  • App Uninstaller
  • Photo Cleaner
  • Articulate Browsing Data
  • Tracking Prevention
• You lose access to the post-obit features that are not included in Avast One:
  • Wi-Fi Inspector
  • Email Shield
• You need to cancel your Avast Premium Security subscription if you no longer want to use it. For information about canceling your Avast Premium Security subscription, refer to the following commodity:
  • Canceling an Avast subscription

To use the paid features in Avast 1 you need to purchase a subscription. Afterwards installing Avast One, click

Go premium

, then follow the on-screen instructions to complete your subscription purchase.

How does the launch of Avast One bear upon other Avast products?

With the exception of Avast Security and Avast Premium Security, all other Avast products volition continue to work and receive application updates equally normal. Yous can utilise the post-obit Avast products aslope Avast One:

• Avast SecureLine VPN
• Avast Cleanup Premium
• Avast BreachGuard
• Avast AntiTrack
• Avast Passwords

Exercise I need to uninstall previous Avast products before I install Avast One?

If you accept Avast Security or Avast Premium Security installed on your Mac, you lot need to uninstall these products earlier installing Avast I. If y'all try to install Avast One when you already have Avast Security or Avast Premium Security installed on your Mac, the Avast One installation is blocked due to a disharmonize with your existing Avast product.

For uninstallation instructions, refer to the relevant commodity below:

• Uninstalling Avast Security
• Uninstalling Avast Premium Security

If you lot have whatsoever of the following Avast products installed, y'all can continue using them aslope Avast I without interruption:

• Avast SecureLine VPN
• Avast Cleanup Premium
• Avast BreachGuard
• Avast AntiTrack
• Avast Passwords

Uninstalling Avast Premium Security does not cancel your subscription. For information about canceling your Avast Premium Security subscription, refer to the following commodity:

• Canceling an Avast subscription

How can I upgrade from Avast Security to Avast One?

To upgrade from Avast Security to Avast One, follow the steps below:

1. Uninstall Avast Security from your Mac. For instructions, refer to the following commodity:
   • Uninstalling Avast Security from Mac
2. Restart your Mac.
3. Install Avast One. For instructions, refer to the following article:
   • Installing Avast 1

To use the paid features in Avast One y'all need to purchase a subscription. After installing Avast I, click

Become premium

, then follow the on-screen instructions to complete your subscription buy.

How can I upgrade from Avast Premium Security to Avast One?

To upgrade from Avast Premium Security to Avast One, follow the steps below:

1. Uninstall Avast Premium Security from your Mac. For instructions, refer to the following article:
   • Uninstalling Avast Premium Security
2. Restart your Mac.
3. Install Avast 1. For instructions, refer to the post-obit commodity:
   • Installing Avast One
4. Cancel your Avast Premium Security subscription. For instructions, refer to the following article:
   • Canceling an Avast subscription
5. Optionally, purchase an Avast One subscription. Open Avast One and click Become premium, then follow the on-screen instructions to complete your subscription purchase.

How does the launch of Avast I bear on Avast Mobile Security?

Avast Mobile Security will go along to receive virus definition updates and awarding updates every bit normal. Irresolute from Avast Mobile Security to Avast One is optional. Yous can choose if you want to remain using Avast Mobile Security, change to Avast One, or use both apps on your Android device.

What happens if I alter to Avast One?

• You continue to have access to most device protection features that are included in Avast Mobile Security.
• You gain limited access to online privacy and performance features such equally:
  • VPN Secure Connection
  • Data Alienation Monitoring
  • Performance scan
• You lose access to the following features that are not included in Avast Ane:
  • Anti-Theft
  • Photo Vault

How does the launch of Avast One affect Avast Mobile Security Premium?

Avast Mobile Security Premium will go on to receive virus definition updates and application updates equally normal. Changing from Avast Mobile Security Premium to Avast Ane is optional. You can choose if you want to remain using Avast Mobile Security Premium, change to Avast One, or utilize both apps on your Android device.

What happens if I change to Avast One?

• You continue to have admission to almost device protection features that are included in Avast Mobile Security Premium.
• You gain full access to online privacy and performance features such as:
  • VPN Secure Connectedness
  • Data Breach Monitoring
  • Performance scan
• Y'all lose access to the following features that are not included in Avast One:
  • Anti-Theft
  • Photo Vault
• You demand to cancel your Avast Mobile Security Premium subscription if you no longer want to use it. For information about canceling your Avast Mobile Security Premium subscription, refer to the following article:
  • Canceling an Avast subscription

To use the paid features in Avast 1 you need to purchase a subscription. After installing Avast One, tap

Go premium

, and then follow the on-screen instructions to consummate your subscription purchase.

How does the launch of Avast One affect other Avast products?

All other Avast products will keep to work and receive application updates as normal. You lot can utilize the following Avast products alongside Avast Ane:

• Avast Mobile Security Premium
• Avast Mobile Security
• Avast SecureLine VPN
• Avast Cleanup Premium
• Avast Cleanup
• Avast AntiTrack
• Avast Passwords

Do I need to uninstall previous Avast products earlier I install Avast One?

No. If you already take an Avast application installed on your device, you can continue using it without pause and install Avast One. For instructions to install Avast Ane, refer to the following commodity:

• Installing Avast One

How can I install Avast 1?

For detailed installation instructions, refer to the following commodity:

• Installing Avast Ane

To use the paid features in Avast 1 y'all need to purchase a subscription. Afterward installing Avast One, tap

Become premium

, then follow the on-screen instructions to complete your subscription buy.

How does the launch of Avast 1 affect Avast Mobile Security?

Avast Mobile Security will proceed to receive virus definition updates and awarding updates as normal. Changing from Avast Mobile Security to Avast Ane is optional. You can cull if you want to remain using Avast Mobile Security, modify to Avast One, or use both apps on your iOS device.

What happens if I change to Avast One?

• You continue to have access to most device protection features that are included in Avast Mobile Security.
• You lot gain express access to privacy features such as:
  • VPN Secure Connectedness
  • Information Alienation Monitoring
  • Photo Vault

How does the launch of Avast One bear on Avast Mobile Security Premium?

Avast Mobile Security Premium will continue to receive virus definition updates and application updates as normal. Changing from Avast Mobile Security Premium to Avast 1 is optional. Yous can choose if y'all desire to remain using Avast Mobile Security Premium, change to Avast One, or apply both apps on your iOS device.

What happens if I change to Avast One?

• You go on to have admission to nigh device protection features that are included in Avast Mobile Security Premium.
• You gain full admission to privacy features such every bit:
  • VPN Secure Connection
  • Information Breach Monitoring
  • Photograph Vault
• You need to cancel your Avast Mobile Security Premium subscription if you no longer want to use information technology. For information about canceling your Avast Mobile Security Premium subscription, refer to the following article:
  • Canceling an Avast subscription

To use the paid features in Avast 1 you lot need to purchase a subscription. Later installing Avast Ane, tap

Go premium

, then follow the on-screen instructions to complete your subscription buy.

How does the launch of Avast I touch other Avast products?

All other Avast products will continue to work and receive application updates as normal. You tin utilise the post-obit Avast products aslope Avast One:

• Avast Mobile Security Premium
• Avast Mobile Security
• Avast SecureLine VPN
• Avast Passwords

Exercise I demand to uninstall previous Avast products earlier I install Avast I?

No. If you lot already have an Avast application installed on your device, you can continue using it without intermission and install Avast One. For instructions to install Avast One, refer to the following article:

• Installing Avast One

How exercise I install Avast One?

For detailed installation instructions, refer to the following article:

• Installing Avast One

To use the paid features in Avast One you lot need to purchase a subscription. Later installing Avast One, tap

Get premium

, so follow the on-screen instructions to complete your subscription purchase.

Subscription

Volition I be charged again if I migrate from Avast Premium Security to Avast One?

When you migrate from Avast Premium Security to Avast 1, your electric current (single-device) subscription is converted to an Avast One subscription. You lot will not be charged again until your subscription renewal date. When your subscription renews, you are charged according to the Avast One price list.

To check when your adjacent subscription charge volition exist:

Avast Premium Security

1. Open Avast Premium Security and go to ☰ Menu ▸ My Subscriptions.
2. Nether Subscriptions on this PC ▸ Avast Premium Security, locate your subscription charge date next to Side by side charge.

Avast One

1. Open Avast One and go to Account.
2. Under Subscription, locate your subscription charge date adjacent to Adjacent accuse.

What happens if I drift to Avast One before my previous Avast Premium Security subscription expires?

When you migrate to Avast One, your Avast Premium Security (single-device) subscription is automatically converted to an Avast One subscription. You are then able to utilize the paid features in Avast 1 until your subscription expiration appointment. When your subscription renews, you lot are charged according to the Avast One price list.

To bank check your subscription expiration appointment:

Avast Premium Security

1. Open Avast Premium Security and go to ☰ Bill of fare ▸ My Subscriptions.
2. Nether Subscriptions on this PC ▸ Avast Premium Security, locate your subscription expiration date next to Expires or Next charge.

Avast One

1. Open Avast I and get to Account.
2. Under Subscription, locate your subscription expiration date next to Expires or Next charge.

Tin can I switch my subscription back to Avast Premium Security if I am unsatisfied with Avast One?

If your subscription has been converted to Avast 1, you demand to contact Avast Support to request changing your subscription back to Avast Premium Security.

Will I exist charged again if I switch from some other Avast subscription to Avast One?

To use the paid features in Avast One, y'all need to buy an Avast One subscription. Currently, it is not possible to automatically convert your existing Avast subscription to an Avast One subscription.

For instructions on how to upgrade from Avast Premium Security to Avast I, refer to the following department:

• How can I upgrade from Avast Premium Security to Avast One?

What happens if I switch to Avast One before my previous Avast subscription expires?

You tin continue to use your previous Avast subscription until it expires. However, if you have an Avast Premium Security subscription, information technology is not possible to install Avast I on the aforementioned device where yous already have Avast Premium Security installed. Therefore, nosotros recommend canceling your Avast Premium Security subscription before upgrading to Avast 1.

For more than information about canceling a subscription, refer to the following commodity:

• Canceling an Avast subscription

Can I switch my subscription back to my previous Avast production if I am unsatisfied with Avast I?

If you are unsatisfied with Avast 1 yous can cancel your subscription. For more information, refer to the following article:

• Canceling an Avast subscription

Do I demand a subscription to use Avast One?

Avast 1 is bachelor as both a gratuitous and paid product. If yous want to use the premium features in Avast One, you need to buy a subscription. To practise this, open Avast One and tap Go premium, and so follow the on-screen instructions to complete the purchase.

Tin I use my existing Avast subscription to activate Avast One?

No. To use the Avast One premium features y'all need a separate Avast One subscription. You cannot activate Avast One using whatever other Avast subscription.

Do I need a subscription to utilize Avast I?

Avast One is available equally both a gratuitous and paid product. If y'all want to use the premium features in Avast One, you need to buy a subscription. To practice this, open Avast One and tap Go premium, then follow the on-screen instructions to complete the buy.

Can I employ my existing Avast subscription to activate Avast 1?

No. To use the Avast One premium features you need a separate Avast One subscription. You lot cannot activate Avast I using any other Avast subscription.

Troubleshooting

Why can't I install Avast Ane?

Avast Ane installation stops if you have one or more applications on your PC that are incompatible with Avast One. Incompatible applications are ordinarily products with similar functionality to Avast Ane, such as antivirus, VPN, or performance-boosting software. A list of incompatible applications on your PC is displayed when the Avast Ane installation process stops due to incompatible applications.

To install Avast One, you lot demand to beginning uninstall all incompatible applications from your PC. This includes the following Avast products:

• Avast Premium Security with an expired subscription or in trial mode
• Avast SecureLine VPN
• Avast Cleanup Premium
• Avast BreachGuard
• Avast AntiTrack
• Avast Driver Updater

We recommend following the steps below to prepare your PC for installation of Avast Ane:

1. Close the Avast 1 installer window.
2. Uninstall the incompatible applications. For Avast product uninstallation instructions, refer to the relevant article(s) beneath:
   • Uninstalling Avast Premium Security
   • Uninstalling Avast SecureLine VPN
   • Uninstalling Avast Commuter Updater
   • Uninstalling Avast Cleanup Premium
   • Uninstalling Avast BreachGuard
   • Uninstalling Avast AntiTrack
3. Restart your PC.
4. Try to install Avast Ane again. For instructions, refer to the post-obit article:
   • Installing Avast 1

If y'all are nevertheless unable to install Avast I after post-obit the steps higher up, contact Avast Support.

Why can't I migrate from Avast Costless Antivirus to Avast One?

If you lot are trying to migrate from Avast Free Antivirus to Avast I and installation of Avast 1 fails or results in the reinstallation of Avast Complimentary Antivirus, follow the steps below:

1. Close the Avast One installer window.
2. Uninstall Avast Complimentary Antivirus. For instructions, refer to the post-obit commodity:
   • Uninstalling Avast Free Antivirus
3. Restart your PC.
4. Effort to install Avast One again. For instructions, refer to the following commodity:
   • Installing Avast One

If you are nevertheless unable to install Avast One later on following the steps higher up, contact Avast Support.

Why can't I migrate from Avast Premium Security to Avast One?

If you are trying to drift from Avast Premium Security to Avast One and installation of Avast I stops, this could be caused past 1 of the following bug:

• You lot have an expired Avast Premium Security subscription or the application is in trial fashion.
• You are trying to install Avast I from the Avast website rather than migrating from your existing Avast Premium Security installation.

Refer to the relevant solution below:

To migrate from Avast Premium Security in trial mode or with an expired subscription:

1. Shut the Avast One installer window.
2. Uninstall Avast Premium Security. For instructions, refer to the post-obit article:
   • Uninstalling Avast Premium Security
3. Restart your PC.
4. Attempt to install Avast One once again. For instructions, refer to the following article:
   • Installing Avast I

If you are still unable to install Avast I afterwards post-obit the steps above, contact Avast Back up.

To migrate from Avast Premium Security with a valid subscription:

1. Click I accept. Start migration on the Avast One offer screen. Alternatively, go to ☰ Menu ▸ My Subscriptions ▸ Explore Avast One.
2. Follow the on-screen instructions to migrate to Avast One.
3. When prompted, sign in to your Avast Account to automatically convert your Avast Premium Security subscription to an Avast One subscription.
4. If prompted, restart your PC to consummate the migration.

If y'all are still unable to install Avast Ane afterward following the steps higher up, contact Avast Support.

Why hasn't my subscription automatically converted to Avast One?

To convert an Avast Premium Security (unmarried-device) subscription to Avast I, you lot need to sign in to Avast Ane using the same Avast Account that is continued to your Avast Premium Security (single-device) subscription.

To check which subscriptions are connected to your Avast Account, sign in to your Avast Account and click the Subscriptions tile.

Currently, it is only possible to convert an Avast Premium Security for Windows (unmarried-device) subscription to Avast I. It is not possible to catechumen any other Avast subscription.

How can I switch dorsum to my previous Avast product if I am unsatisfied with Avast 1?

To revert back to your previous Avast product(southward):

1. Uninstall Avast One.
2. Restart your PC.
3. Install your preferred Avast production(s):
   • Installing Avast Premium Security
   • Installing Avast Free Antivirus
   • Installing Avast SecureLine VPN
   • Installing Avast Driver Updater
   • Installing Avast Cleanup Premium
   • Installing Avast BreachGuard
   • Installing Avast AntiTrack
4. If applicative, activate your Avast product(s):
   • Activating Avast Premium Security
   • Activating Avast SecureLine VPN
   • Activating Avast Commuter Updater
   • Activating Avast Cleanup Premium
   • Activating Avast BreachGuard
   • Activating Avast AntiTrack

If yous previously had an Avast Premium Security for Windows (single-device) subscription that automatically converted to Avast One, contact Avast Support to request changing your subscription back to Avast Premium Security.

Why tin can't I install Avast One?

Avast One installation stops if yous already accept one or more than applications on your Mac that are incompatible with Avast One. Incompatible applications are usually products with like functionality to Avast Ane, such equally other antivirus software. A list of incompatible applications on your Mac is displayed when the Avast I installation process stops due to incompatible applications.

To install Avast One, you demand to start uninstall all incompatible applications from your Mac. This includes Avast Security and Avast Premium Security. We recommend following the steps beneath to prepare your Mac for installation of Avast One:

1. Close the Avast Ane installer window.
2. Uninstall the incompatible applications. For Avast product uninstallation instructions, refer to the relevant article below:
   • Uninstalling Avast Security
   • Uninstalling Avast Premium Security
3. Restart your Mac.
4. Try to install Avast Ane once again. For instructions, refer to the following article:
   • Installing Avast One

If you are all the same unable to install Avast One subsequently following the steps above, contact Avast Support.

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Source: https://support.avast.com/en-ae/article/Migrate-One-FAQ/#:~:text=Do%20I%20need%20to%20uninstall,them%20before%20installing%20Avast%20One.