CCleaner

Piriform is a privately owned software house based in London, UK. They're dedicated to creating the best applications for your PC. They software is compact, well designed and targeted to the job that you need.

They produce CCleaner. This software can clean your PC from spy and friends. Below are the link where you can download this software base on your OS version.
OS Version Download
- Windows XP64 2.8.0.588 GET IT
- Windows XP 2.8.0.588 GET IT
- Windows Vista x64 2.8.0.588 GET IT
- Windows Vista 1.35.424 GET IT
- Windows NT 1.35.424 GET IT
- Windows ME 1.35.424 GET IT
- Windows 98 1.35.424 GET IT
- Windows 2000 1.34.0407 GET IT


And below are list of older versions of CCleaner.
OS Version Download
- Windows NT 1.36.0.430 GET IT
- Windows XP 1.36.0.430 GET IT
- Windows 2000 1.36.0.430 GET IT
- Windows ME 1.36.0.430 GET IT
- Windows 98 1.36.0.430 GET IT
- Windows Vista x64 1.36.0.430 GET IT
- Windows Vista 1.36.0.430 GET IT