However, some premium features may require a subscription or in-app purchase. These premium features may include advanced tools, such as:
Offers robust temporary file cleaning and a built-in registry optimizer.
Most modern Android devices come with "Files by Google" or a native device care app (like Samsung Device Care). Open it to safely clear app caches and remove duplicate photos or large files.
What version are you running (Windows 10, Windows 11, Mac)?
Visit the Clean Master Support Page for help with lost codes or activation issues. Free Alternatives for PC Cleaning
Windows has highly efficient, built-in optimization features that require no third-party keys.
The free version still offers basic cleaning, memory boosting, and app management. Ads are present but non-intrusive. You can use it indefinitely without payment.
: Includes a "Privacy Clean" feature that wipes browser history and blocks unwanted access.
Official development and security patching for older versions like 6.6 have largely ceased.