Spyware and other malicious software invades your privacy by collecting your personal information without your knowledge and permission. In addition to this privacy concern, spywares cause your Windows to slow down , giving a below average performance. To speed up Windows 7 you should combat spyware by having your PC scanned first. Use the PC Safety Scan from Windows Live OneCare. This is a free service from Windows that checks and removes viruses.

Another Microsoft tool that can help speed up Windows 7 is the Microsoft Security Essentials, which you can download for free. The tool gives protection from spyware, adware, viruses and other malicious software (malware). This Microsoft spyware removal tool also give updates and reports, a great help to keep your computer protected from security and performance threats.

The Microsoft Malicious Software Removal tool is another service from Microsoft that checks and speeds up Windows 7 computers. This utility locates infections by prevalent, specific and malicious software including Sasser, Blaster and Mydoom. Once any of these malware is found, the Microsoft tool automatically removes it.

To free up your disk space, you use the Disk Clean-Up tool to improve the performance pf your machine. This tool is effective in identifying files that can be deleted safely and allows you to have an option as to whether you want to delete all or only some of the files identified. The Disk Clean-Up tool can also be used to remove temporary files These are the files that occupy the most amount of space.