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CCleaner - FAQ

Optimization and Cleaning

What operating systems does CCleaner support?

CCleaner is fully tested and compatible with all the latest Windows OSs.

This includes both 32-bit and 64-bit versions of:

• Windows 8
• Windows 7
• Windows Vista
• Windows XP

For advanced and business users, we also support:

• Windows Server 2012
• Windows Server 2008 R2
• Windows Server 2008
• Windows Server 2003

Additionally we have released a version of CCleaner for Macs, which requires:

• Mac OSX 10.5 or 10.6