Ccleaner Pro: Portable 6.04.10044microsoft

Automatically scans for and updates outdated hardware drivers to improve system stability and fix bugs.

Does not require installation; simply unzip the files and run CCleaner64.exe (for 64-bit systems) or CCleaner.exe (for 32-bit systems) from any folder. Professional vs. Free Portable CCleaner Pro Portable 6.04.10044Microsoft

Recent versions may have third-party analytics enabled by default in the Data\usercfg.ini file; you can manually opt-out in the settings. CCleaner Pro Portable 6.04.10044Microsoft

Keeps your installed apps up to date to close security vulnerabilities. CCleaner Pro Portable 6.04.10044Microsoft

Analyzes your PC to recommend quick fixes for privacy, space, and speed.