Preparing your Windows device for installation of Avast software | Avast
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Preparing your Windows device for installation of Avast software

Follow the steps in this article to avoid the most common installation issues when installing an Avast application on your Windows PC, and to get optimum performance from your new Avast application.

Refer to the relevant section below according to your Avast product:

Avast One

The steps below apply to the New Avast One.

  1. Check that your PC meets the system requirements below:
  • Windows 11; Windows 11 with ARM64 processors 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 Service Pack 1 with Convenience Rollup Update or later, any Edition (32 or 64-bit)
    Certain features are unavailable on ARM devices: Avast Driver Updater and Avast AntiTrack standalone applications are not supported as well as Avast Antivirus features Boot Time Scan and Rescue Disk.
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions)
  • 4 GB RAM or above
  • 3 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates and antivirus database
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. Ensure no third-party Antivirus, firewall, anti-spyware, anti-malware, or other security software is installed on your PC. Refer to the following article for instructions to uninstall common Antivirus applications:
  1. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  2. Ensure that you are using the latest Avast Antivirus setup file. You can download this setup file using the relevant direct link below:
  3. After downloading the Avast One setup file, ensure you follow the exact steps in the relevant article below to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast Antivirus.

Avast Antivirus

The steps below apply to Avast Premium Security and Avast Free Antivirus.

  1. Check that your PC meets the system requirements below:
  • Windows 11; Windows 11 with ARM64 processors 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 Service Pack 1 with Convenience Rollup Update or later, any Edition (32 or 64-bit)
    Boot Time Scan and Rescue Disk features are unavailable on Windows 11 on ARM.
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions)
  • 4 GB RAM or above
  • 3 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates and antivirus database
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. Ensure no third-party Antivirus, firewall, anti-spyware, anti-malware, or other security software is installed on your PC. Refer to the following article for instructions to uninstall common Antivirus applications:
Windows Firewall is automatically disabled when you install Avast Premium Security, which includes Enhanced Firewall protection.
  1. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  2. Ensure that you are using the latest Avast Antivirus setup file. You can download this setup file using the relevant direct link below:
  3. After downloading the setup file for your chosen Avast Antivirus product, ensure you follow the exact steps in the relevant article below to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast Antivirus.

Avast Cleanup Premium

  1. Check that your PC meets the system requirements below:
  • Windows 11 except Mixed Reality and IoT Edition; Windows 11 with ARM64 processors except Mixed Reality and IoT Edition; Windows 10 except Mobile and IoT Edition (32 or 64-bit); Windows 10 with ARM64 processors except Mixed Reality and IoT Edition; Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 Service Pack 1 or later, any Edition (32 or 64-bit)
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions)
  • 1 GB RAM or above
  • 2 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. We recommend temporarily disabling any third-party antivirus software (this applies only if you do not use an Avast antivirus application). For more information, refer to the following article:
  3. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  4. Ensure no other application is running on your PC.
  5. Ensure that you are using the latest Avast Cleanup Premium setup file. You can download this setup file using the direct link below: Download Avast Cleanup Premium
  6. After downloading the Avast Cleanup Premium setup file, ensure you follow the exact steps in the following article to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast Cleanup Premium.

Avast SecureLine VPN

  1. Check that your PC meets the system requirements below:
  • Windows 11 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 Service Pack 1 with Convenience Rollup Update or later, any Edition (32 or 64-bit)
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions); ARM-based devices are not supported
  • 1 GB RAM or above
  • 2 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. We recommend temporarily disabling any third-party antivirus software (this applies only if you do not use an Avast antivirus application). For more information, refer to the following article:
  3. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  4. Ensure no other application is running on your PC.
  5. Ensure that you are using the latest Avast SecureLine VPN setup file. You can download this setup file using the direct link below: Download Avast SecureLine VPN
  6. After downloading the Avast SecureLine VPN setup file, ensure you follow the exact steps in the following article to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast SecureLine VPN.

Avast Driver Updater

  1. Check that your PC meets the system requirements below:
  • Windows 11 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 Service Pack 1 with Convenience Rollup Update or later, any Edition (32 or 64-bit)
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions); ARM-based devices are not supported
  • 1 GB RAM or above
  • 2 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. We recommend temporarily disabling any third-party antivirus software (this applies only if you do not use an Avast antivirus application). For more information, refer to the following article:
  3. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  4. Ensure no other application is running on your PC.
  5. Ensure that you are using the latest Avast Driver Updater setup file. You can download this setup file using the direct link below: Download Avast Driver Updater
  6. After downloading the Avast Driver Updater setup file, ensure you follow the exact steps in the following article to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast Driver Updater.

Avast AntiTrack

  1. Check that your PC meets the system requirements below:
  • Windows 11 all versions except Windows 11 in S mode; Windows 11 with ARM processors, except Mixed Reality and IoT Edition; Windows 10 all versions except Windows 10 in S mode
  • Avast AntiTrack browser extension is compatible with Google Chrome, Microsoft Edge, and Mozilla Firefox browsers
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions)
  • 1 GHz processor or above
  • Recommended 2 GB RAM or above (minimum of 512 MB RAM)
  • 300 MB free space on the hard disk
  • Internet connection to download, activate, and use the service
  • Optimal standard screen resolution no less than 1024 x 768 pixels is recommended
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. We recommend temporarily disabling any third-party antivirus software (this applies only if you do not use an Avast antivirus application). For more information, refer to the following article:
  3. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  4. Ensure no other application is running on your PC.
  5. Ensure that you are using the latest Avast AntiTrack setup file. You can download this setup file using the direct link below: Download Avast AntiTrack
  6. After downloading the Avast AntiTrack setup file, ensure you follow the exact steps in the following article to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast AntiTrack.

Avast BreachGuard

  1. Check that your PC meets the system requirements below:
  • Windows 11 except Mixed Reality and IoT Edition; Windows 11 with ARM64 processors except Mixed Reality and IoT Edition; Windows 10 except Mobile and IoT Edition (32 or 64-bit); Windows 10 with ARM64 processors except Mixed Reality and IoT Edition; Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 Service Pack 1 with Convenience Rollup Update or later, any Edition (32 or 64-bit)
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions); ARM-based devices are not supported
  • 1 GB RAM or above
  • 2 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. We recommend temporarily disabling any third-party antivirus software (this applies only if you do not use an Avast antivirus application). For more information, refer to the following article:
  3. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  4. Ensure no other application is running on your PC.
  5. Ensure that you are using the latest Avast BreachGuard setup file. You can download this setup file using the direct link below: Download Avast BreachGuard
  6. After downloading the Avast BreachGuard setup file, ensure you follow the exact steps in the following article to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast BreachGuard.

Avast Battery Saver

  1. Check that your PC meets the system requirements below:
  • Windows 11 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 Service Pack 1 with Convenience Rollup Update or later, any Edition (32 or 64-bit)
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions); ARM-based devices are not supported
  • 1 GB RAM or above
  • 2 GB free space on the hard disk
  • Internet connection to download, activate, and maintain application updates
  • Optimally standard screen resolution no less than 1024 x 768 pixels
  1. Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
  2. We recommend temporarily disabling any third-party antivirus software (this applies only if you do not use an Avast antivirus application). For more information, refer to the following article:
  3. Check that you are logged in to Windows as a user with administrator privileges. For detailed instructions to verify this, refer to the following article:
  4. Ensure no other application is running on your PC.
  5. Ensure that you are using the latest Avast Battery Saver setup file. You can download this setup file using the direct link below: Download Avast Battery Saver
  6. After downloading the Avast Battery Saver setup file, ensure you follow the exact steps in the following article to install and set up the application:

Contact Avast Support if you continue to experience issues installing Avast Battery Saver.

  • Avast One
  • Avast Premium Security
  • Avast Free Antivirus
  • Avast Cleanup Premium
  • Avast SecureLine VPN
  • Avast Driver Updater
  • Avast AntiTrack
  • Avast BreachGuard
  • Avast Battery Saver
  • Windows


Updated on: 30/09/2026

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