Ccleaner Pro Portable - 6.04.10044microsoft

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

Allows you to set the tool to run at specific times (though users often prefer the installed version for scheduled tasks). Security & Usage Tips

Before using the Registry Cleaner tool, always allow the program to create a backup of your current registry settings in case you need to undo changes. CCleaner 6.24.11060 Portable - Registry tab hasn't moved

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