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 and the subscription isn't expired yet, you can upgrade to Avast Pro 2015.
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,
...or you can click Update now when an Avast Information popup offers an update above the Avast orange ball icon in the system tray.
- 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 subscription.
If you have not yet activated your subscription, please visit this article: Avast 2015: Inserting the license file into Avast Pro Antivirus
Avast Pro Antivirus 2015
Avast Pro Antivirus 2014
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