CCleaner

CCleaner is the number-one tool for cleaning your Windows PC. Keep your privacy online and offline, and make your computer faster and more secure. Over 350 million downloads!

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Welcome to Piriform

At Piriform we write software to help you use Windows faster, more securely, and with greater privacy. Whether you're cleaning out stray files on your system with CCleaner, defragging your hard drive with Defraggler, or recovering deleted files with Recuva, we've got you covered.


Piriform products

CCleaner - Optimization and Cleaning
Defraggler - File Defragmentation
Recuva - File Recovery

CNET      Windows 7