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 4.07.4369 (24 Oct 2013):
- Added Windows 8.1 compatibility.
- Added Internet Explorer 11 Release Preview for Windows 7 compatibility.
- Added old Windows installation folder cleaning.
- Improved Internet Explorer history cleaning.
- Added Baidu Spark browser cleaning.
- Improved debug mode notification.
- Added ABBYY FineReader 11.0, Corel PaintShop Pro X6 and Nero Burning Rom 2014 cleaning.
- Improved WinZip, Java, UltraEdit, Macromedia Shockwave 10 and 11, Photodex ProShow Producer and RealPlayer SP cleaning.
- Minor GUI improvements.
- Minor bug fixes.
下载地址: