No essay would be complete without criticism. First, many of CCleaner Professional’s premium features (automatic cleaning, real-time monitoring) are built into Windows 10 and 11 via Storage Sense and Defender’s reputation-based protection. Second, the registry cleaner—even in the Pro version—is largely unnecessary for modern Windows and carries a minuscule risk of breaking application settings. Third, the driver updater is less comprehensive than dedicated tools like Snappy Driver Installer (free).
The Impact of Optimization: A Study of CCleaner Professional
Disclaimer: This article is for informational purposes. Always back up your registry and important files before running any system cleaner.
You should upgrade to the paid version if you identify with any of the following profiles:
: It securely erases tracking cookies and browsing history, making it harder for advertisers to track your online activity.