Patented technology that puts background apps to "sleep" to increase system speed and battery life.

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

Automatically scans for and updates outdated hardware drivers to improve system stability and fix bugs.

Keeps your installed apps up to date to close security vulnerabilities.

Automatically cleans browser history and temporary files when you close your browser.

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

Always download from the official CCleaner builds page or the Microsoft Store to ensure the file is safe and free from malware.