CCleaner主要用來清除Windows系統不再使用的垃圾文件，以騰出更多硬盤空間。它的另一大功能是清除使用者的上網記錄。CCleaner的體積小，運行速度極快，可以對臨時文件夾，歷史記錄，回收站等進行垃圾清理，並可對註冊表進行垃圾項掃描清理。
【軟體名稱】系統清理程式ccleaner中文版 安裝版
【軟體版本】3.00.1303
【官方網頁】https://www.piriform.com/
【語言介面】多語 可改中文
【軟體分類】系統清理工具
v3.00.1303 (28 Oct 2010)
– New CCleaner 64-bit native EXE.
– New UI graphics and icons.
– New internal scanning architecture.
– New Drive Wiper tool screen under Tools section.
– New Intelligent cookie keeping functionality.
– Improved support for IE9.
– Improved support for Google Chrome.
– Improved HTML5 Database Storage cleaning.
– Added support to clean Microsoft Silverlight Isolated Storage.
– Added support for AVG AntiVirus 10.0, Audacity, LogMeIn Hamachi, BitTorrent and Windows Game Explorer.
– Improved support for Vuze.
– Added new environment variables: %SystemDirectory%, %SystemDirectory32% and %SystemDirectory64%.
– Improved Registry backup to address problems when saving values.
– Improved cleaning Windows Log Files for 64-bit OSs.
– Many UI improvements and bug fixes.