You can install the new Avira Toolbar after you upgraded to AntiVir 10 Service Pack 2 by following these steps:

1. Select Start → Control Panel → Add/Remove Programs (for Windows XP) or Programs and Features (for Vista and Windows 7)
2. In the list of programs, select “Avira AntiVir Personal - Free Antivirus”
   
   
3. Click on the Change button and you will see the following screen
   
   
4. Choose “Modify” and click on the Next button
   
   
5. Accept the End User License Agreement to install the Avira Toolbar with WebGuard
6. Click on the Next button and make sure that the “AntiVir WebGuard” component is checked
   
   
7. Click on Next and close the next window with Finish
8. The window of the Configuration Wizard will open. However, since the configuration should be done after the restart, you can cancel it for now
   
   
9. Select the Yes button to allow a system restart
   
   

Important note: WebGuard component will be only available as long as the new Avira Toolbar is installed.