First of all visited : Free Anti spyware software

• 1Click Spyclean - 1 Click Spy Clean protects your computer by detecting and removing different kinds of adware, spyware and many other types of computer malware that represent a great threat to your environment and security.
• Acronis Privacy Expert Suite - Acronis Privacy Expert Suite is a comprehensive anti-spyware and security suite to protect your privacy on your home PC.
• Advanced Anti Spy - Advanced Anti Spy is powerful but easy to use anti-spy software to prohibit operation of any keyloggers currently in use or presently being developed anywhere.
• Norton AntiVirus - Norton AntiVirus detects and removes viruses, worms, and Trojan horses automatically without interrupting your work.
• Norton Internet Security - Symantec™s Norton Internet Security 2004 provides essential protection from viruses, hackers, and privacy threats. Powerful yet easy to use, this award-winning suite now includes advanced spam-fighting software.
• Max Anti Spyware Pro - ax Anti Spyware is the only product in the market today which not only scans and removes Spyware but also blocks them from installing on your PC.
• Win Spy Software - Win-Spy is an invisible key recorder and screen-capture utility that secretly captures anything the user sees or types on the keyboard. Win-Spy operates in stealth mode. Users will not be aware of its existence.
• Active Shield - Active Shield is an ultimate heuristic screen that actively protects your computer from trojans, spyware, adware, trackware, dialers, keyloggers, and even some special kinds of viruses.
• Super System Helper - he perfect complement to firewalls and anti-virus software.