Automatically scans for and updates outdated hardware drivers to improve system stability and fix bugs.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 version 6.04.10044 is a specialized, non-installable version of CCleaner Professional , which was released in mid-2022. This version is designed to run directly from a USB drive or external storage without leaving traces on the host computer's registry, making it ideal for IT professionals and multi-PC maintenance. Key Features of Version 6.04.10044 CCleaner Pro Portable 6.04.10044Microsoft
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
Keeps your installed apps up to date to close security vulnerabilities. Free Portable CCleaner Pro Portable version 6
Patented technology that puts background apps to "sleep" to increase system speed and battery life.
Allows you to set the tool to run at specific times (though users often prefer the installed version for scheduled tasks). Security & Usage Tips CCleaner 6
While a free portable version exists, the version (which requires a license key) unlocks several automated tools: