If you have a paid Avast Premium Security subscription, uninstalling the application does not automatically cancel your subscription. For information about canceling your subscription, refer to the following article:
Uninstall Avast Premium Security
To uninstall Avast Premium Security from Windows, select the relevant tab below according to your Windows version.
Uninstall via Start menu
- Right-click the Windows
Start icon, then select Apps and Features from the menu that appears. 
- Ensure that Apps is selected in the left panel, then click
⋮(three dots) next to Avast Premium Security and select Uninstall.
- If prompted for permission by the User Account Control dialog, click Yes.
- When the Avast Premium Security Setup window appears, click Uninstall.
- Click Yes to confirm that you want to uninstall Avast Premium Security.
- Optionally, complete the customer survey and click Continue with survey, or select Skip the survey.
- Wait while the uninstaller removes Avast Premium Security from your PC.
- When the confirmation message appears, click Restart computer to immediately reboot your PC.
- Right-click the Windows
Start icon, then select Apps and Features from the menu that appears. 
- Ensure that Apps & features is selected in the left panel, then click Avast Premium Security, and select Uninstall.
- If prompted for permission by the User Account Control dialog, click Yes.
- When the Avast Premium Security Setup window appears, click Uninstall.
- Click Yes to confirm that you want to uninstall Avast Premium Security.
- Optionally, complete the customer survey and click Continue with survey, or select Skip the survey.
- Wait while setup uninstalls Avast Premium Security from your PC.
- When the confirmation message appears, click Restart computer to immediately reboot your PC.
- On your keyboard, press the Windows
logo key and Xkey simultaneously.
- Select Programs and Features from the menu that appears.
- Right-click Avast Premium Security, then select Uninstall from the drop-down menu.
- If prompted for permission by the User Account Control dialog, click Yes.
- When the Avast Premium Security Setup window appears, click Uninstall.
- Click Yes to confirm that you want to uninstall Avast Premium Security.
- Wait while setup uninstalls Avast Premium Security from your PC.
- When the confirmation message appears, click Restart computer to immediately reboot your PC.
- Click the Windows
Start icon, then select Control Panel. 
- Follow option A or option B below according to your view:
- Option A (Default category view): Under Programs, click Uninstall a program.
- Option B (Large/small icons view): Click Programs and Features.
- Option A (Default category view): Under Programs, click Uninstall a program.
- Right-click Avast Premium Security, then select Uninstall from the drop-down menu.
- If prompted for permission by the User Account Control dialog, click Yes.
- When the Avast Premium Security Setup window appears, click Uninstall.
- Click Yes to confirm that you want to uninstall Avast Premium Security.
- Wait while the uninstaller removes Avast Premium Security from your PC.
- When the confirmation message appears, click Restart computer to immediately reboot your PC.
Avast Premium Security is now uninstalled from your PC. If you were unable to uninstall Avast Premium Security by following the steps above, refer to the Uninstall Tool section below.
Uninstall via Uninstall Tool
If you experience issues trying to uninstall Avast Premium Security via the Start menu, we recommend using the Avast Uninstall Tool to completely delete all Avast Premium Security files from your PC while Windows runs in Safe Mode.
For instructions, refer to the following article:
Moving Avast Premium Security to the Trash or using Clean My Mac does not fully uninstall the application. We recommend following the steps below using the Avast Premium Security uninstaller.
Uninstall via Apple menu
- Open Avast Premium Security, then click Avast Premium Security in the Apple menu bar and select Uninstall Avast Premium Security.
- When the Avast Premium Security uninstaller window appears, click Continue.
- Enter the password that you use when you start your Mac, then click Install Helper.
- Wait while the uninstaller removes Avast Premium Security from your Mac.
- If prompted, enter the password that you use when you start your Mac, then click OK.
- When the confirmation message appears, click Finish, or optionally click Continue to complete the customer survey.
Avast Premium Security is now uninstalled from your Mac.
Reinstall Avast Premium Security
If you need to reinstall Avast Premium Security, refer to the following article for installation instructions:
Troubleshoot without uninstalling
If you are experiencing problems with Avast Premium Security, we recommend referring to the following information before uninstalling:
- Avast Premium Security 22.x for Windows
- Avast Premium Security 15.x for Mac
- 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 with Convenient Rollup Update, 32 / 64-bit
- Apple macOS 12.x (Monterey)
- Apple macOS 11.x (Big Sur)
- Apple macOS 10.15.x (Catalina)
- Apple macOS 10.14.x (Mojave)
- Apple macOS 10.13.x (High Sierra)
- Apple macOS 10.12.x (Sierra)
- Apple Mac OS X 10.11.x (El Capitan)
