: Testing shows it can free up an average of 4GB of disk space and 28% of unutilized RAM.
: Since it doesn't install files on the host computer, it leaves no traces behind once you remove the USB drive. CCleaner Portable
: Run CCleaner64.exe (for 64-bit systems) or CCleaner.exe (for 32-bit systems). : Testing shows it can free up an
: If you want your preferences to travel with you, ensure CCleaner is set to save its settings to a CCleaner.ini file rather than the Windows Registry. Important Considerations CCleaner Portable