Avast 2015: Upgrading from an older version of Avast Pro Antivirus
How to upgrade from an older version of Avast Pro Antivirus to Avast Pro Antivirus 2015?
If you are running an older version of Avast Pro Antivirus and the subscription isn't expired yet, you can upgrade to Avast Pro Antivirus
Before you begin please ensure that you are logged into Windows as an Administrator or as a user with administrator permissions, and all other programs
in Windows are closed.
- Right-click on the Avast orange ball icon in the system tray, select Update from
the menu and then click Program.
- The Update screen in the Avast user interface shows you the overall progress of the Program update.
- When it's done, you are asked to restart your computer. Click Yes to reboot immediately.
- Once the computer is restarted, an information about update may appear.
The latest version of Avast Pro Antivirus 2015 is then installed on your computer. Your protection will be valid for the remaining period of your
If you have not yet activated your subscription, please visit this article: Avast 2015: Inserting the license file into Avast Pro
- Avast Pro Antivirus 2015
- Avast Pro Antivirus 2014
- Microsoft Windows 10 Home / Pro / Enterprise / Education
- Microsoft Windows 8.1 / Pro / Enterprise
- Microsoft Windows 8 / Pro / Enterprise
- Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate
- Microsoft Windows Vista Home Basic / Home Premium / Business / Enterprise / Ultimate
- Microsoft Windows XP Home / Professional / Media Center Edition