Your computer's best friend!
Web Link Comodo Internet Security
Download the best ever FREE anti-virus, firewall, and HIPS (fancy detection of unknown bad stuff). Highly recommended.
Web Link Spybot-S&D
I've been using this for years along with millions of other users. It's still one of the best and FREE anti-spyware tools.
Web Link Greenshot - The Screenshot tool
This tool just works. It's easy to setup, use, and of course it's also FREE.
Web Link KeePass Password Safe
Keep all your passwords and private info in a SAFE!