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 Antivirus
The steps below apply to Avast Premium Security, and Avast Free Antivirus.
- 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 SP1 with Convenient Rollup Update or higher, 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 and the Antivirus database.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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.
- 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:
- Ensure that you are using the latest Avast Antivirus setup file. You can download this setup file using the relevant direct link below:
- 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
- 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 SP1 or higher, any Edition (32 or 64-bit).
- Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions).
- 256 MB RAM or above.
- 400 MB free space on the hard disk.
- Internet connection to download, activate, and maintain application updates.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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:
- 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:
- Ensure no other application is running on your PC.
- 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
- 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
- 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 SP1 or higher, any Edition (32 or 64-bit).
- Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions).
- 256 MB RAM or above.
- 300 MB free space on the hard disk.
- Internet connection to download, activate, and use the VPN service.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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:
- 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:
- Ensure no other application is running on your PC.
- 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
- 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
- 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 SP1 or higher, any Edition (32 or 64-bit).
- Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions).
- 256 MB RAM or above.
- 400 MB free space on the hard disk.
- Internet connection to download, activate, and maintain application updates.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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:
- 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:
- Ensure no other application is running on your PC.
- 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
- 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
- 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 SP1 or higher, any Edition (32 or 64-bit).
- Microsoft Internet Explorer, Microsoft Edge, Google Chrome, Mozilla Firefox or Opera browser.
- Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions).
- 512 MB RAM or above.
- 300 MB free space on the hard disk.
- Internet connection to download, activate, and use the application.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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:
- 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:
- Ensure no other application is running on your PC.
- 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
- 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
- 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 SP1 or higher, 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.
- 500 MB free space on the hard disk.
- Internet connection to download, activate, and use the application.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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:
- 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:
- Ensure no other application is running on your PC.
- 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
- 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
- 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 SP1 or higher, any Edition (32 or 64-bit).
- Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE3 instructions).
- 256 MB RAM or above.
- 400 MB free space on the hard disk.
- Internet connection to download the application and receive updates.
- Optimal standard screen resolution no less than 1024 x 768 pixels.
- Check that your Windows is up-to-date. For more information, refer to the following article from Windows support:
- 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:
- 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:
- Ensure no other application is running on your PC.
- 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
- 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 Premium Security 21.x for Windows
- Avast Free Antivirus 21.x for Windows
- Avast Cleanup Premium 21.x for Windows
- Avast SecureLine VPN 5.x for Windows
- Avast Driver Updater 21.x for Windows
- Avast AntiTrack 1.x for Windows
- Avast BreachGuard 21.x for Windows
- Microsoft Windows 11 Home / Pro / Enterprise / Education
- Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit
- Microsoft Windows 8.1 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 8 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 1, 32 / 64-bit
Updated on: 6/2/22
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