Scans for outdated apps and updates them in one click to close security holes.

: A bundle that works on up to 3 devices and includes additional tools like Recuva (file recovery) and Speccy (system info).

Is the Pro version even worth the hunt for a key? For most users, the is more than enough. It includes the core cleaning engine that removes junk files and speeds up your boot time. Pro adds: Automatic updates. Real-time junk monitoring. Scheduled cleaning. Priority customer support. The Bottom Line

Enter your license key into the box and click Activate . For CCleaner v6.39 and older: Open the CCleaner application. Click on the Options tab on the side of the app. Select License Key (or Upgrade ).