CCleaner是一款免费的系统优化和隐私保护工具。CCleaner的主要用来清除Windows系统不再使用的 垃圾文件，以腾出更多硬盘空间。它的 另一大功能是清除使用者的上网记录.CCleaner的体积小，运行速度极快，可以对临时文件夹、历史记录、回收站等进行垃圾清理，并可对注册表进行垃圾 项扫描、清理。附带软件卸载功能。CCleaner 4.01.4093 (25 Apr 2013):
- Improved History cleaning for Google Chrome.
- Improved compatibility with Firefox v19 and newer.
- Optimized Registry cleaning algorithm for Windows 8.
- Improved Internet Explorer 10 compatibility.
- Improved Duplicate File Finder tool.
- Optimized System and Browser Monitoring (Pro Version).
- Added cleaning for Adobe Acrobat XI, VSO Blu-ray and DVD Converter Ultimate, Oxygen XML Editor 14 and Connectify Hotspot.
- Improved cleaning for Google Earth and MailWasher Pro.
- Minor GUI improvements.
- Minor bug fixes.

下载:CCleaner 4.01.4093 for Windows
下载:CCleaner 4.01.4093 for Mac