Avast Antivirus: Upgrading from an older version of Avast Free Antivirus

How to upgrade to the latest version of Avast Free Antivirus

If you are using an older version of Avast Free Antivirus, you can upgrade to the latest version.

Before you begin, ensure that you are logged into Windows with administrator permissions and all other programs are closed.

  1. Right-click the Avast system tray icon and hover your cursor over Update, then select Program.
  2. Click Restart now to reboot your PC.
  3. After restart, close the information screen to complete the upgrade process.
  1. Right-click the Avast system tray icon on your Windows taskbar.
  2. Hover your cursor over Update, then select Program from the context menu. A progress bar shows you the overall completion of the Program update.
  3. Click Restart now to reboot your PC.
  4. After your PC restarts, close the information screen to complete the upgrade process.

Avast Free Antivirus is now upgraded to the latest version.

  • Avast Free Antivirus 17.x
  • 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
  • Microsoft Windows Vista Home Basic / Home Premium / Business / Enterprise / Ultimate - Service Pack 2, 32 / 64-bit
  • Microsoft Windows XP Home / Professional / Media Center Edition - Service Pack 3, 32-bit

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