CCleaner

Product: CCleaner v2.29.1111
Company: Piriform Ltd.
Website: www.ccleaner.com
Type: Free
Requirements: Windows XP/Vista/7

CCleaner is a freeware system optimization and privacy 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. But the best part is that itīs fast (normally taking less that a second to run) and FREE! :)