Download of Clean Master 6.6 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
The program's installer is commonly called Clean Master.exe, clmaster.exe, cmdriverbooster.exe, cmtray.exe or kcleaner.exe etc. The following versions: 6.0, 1.1 and 1.0 are the most frequently downloaded ones by the program users. The latest version of Clean Master can be installed on PCs running Windows XP/XP Professional/Vista/7/8/10/11, 32-bit. This free software was originally designed by cheetah mobile. The software is categorized as System Utilities.
From the developer:
Clean Master for PC provides you the most powerful junk cleaning and privacy protection and makes your computer run like brand new. Say good-bye to system lagging. With one click, you can stop unnecessary startup programs, speed up boot time, and intelligently optimize system and network settings. Driver Booster supports scanning and fixing over 5,000,000 devices and drivers. In a word, it's born for resolving PC driver issues.
You may want to check out more software, such as Estate Master DF Calculator, Estate Master DF or Estate Master DM, which might be similar to Clean Master.
System Optimization
System Optimization