CCleaner 4.04 adds support for Windows 8.1 Preview

CCleaner is a freeware system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner. But the best part is that it's fast (normally taking less than a second to run) and FREE!

Cleans the following:

Internet Explorer
Firefox
Google Chrome
Opera
Safari
Windows - Recycle Bin, Recent Documents, Temporary files and Log files.
Registry cleaner
Third-party applications

What's new in this version:

Added Windows 8.1 Preview support.
Added Internet Explorer 11 cleaning.
Added Opera 15 cleaning.
Improved Google Chrome cleaning: Flash Cookies, Channel ID Cookies and Last Download Location.
Improved detection of Chromium based browsers.
Added Comodo IceDragon cleaning.
Improved detection and cleaning of portable browsers.
Improved Monitoring notifications (Pro version).
Added cleaning for Sony Vegas Pro 12.0, Bing Search, Bing Finance, Bing Maps, Bing News, Bing Sports and Bing Travel.
Added Hindi translation.
Minor GUI improvements and bug fixes.