: Use built-in system tools (like Task Manager on Windows) to disable unnecessary apps from starting automatically, freeing up RAM for your games and videos. Storage Awareness
The app has both a free version (with ads) and a premium subscription that removes ads and unlocks extra features like deeper cleaning and real-time protection.
Cheetah Mobile (the creator of Clean Master) has a contentious history. In 2018, the company was accused of using its apps to commit ad fraud and was eventually removed from the Google Play Store for violating policies. While their PC software operates differently, the company’s reputation for aggressive advertising and data harvesting lingers. Installing such software, even with a "free key," often means inviting a program that runs in the background, collecting usage data to sell to advertisers.