CCleaner is the number-one tool for cleaning your Windows PC. It protects your privacy online and makes your computer faster and more secure. Easy to use and a small, fast download."
This programme is nearly all you need to keep your PC clean FOR FREE! That's right, this product offers the tools necessary to clean cookies, temp files, and repair registry errors. Many people use this world wide, and I strongly recommend getting it if you don't already have it.