I downloaded the ones that had the best reviews. There are 4 programs running in the background and it doesn't make my p3 700 run slow. Awesome. You can just go to download.com and download these if you don't want to visit the site. For spyware, CounterSpy and Webroot Spy Sweeper. Norton personal firewall. PC-cillin is an awesome anti-virus. Install Norton firewall first because PC-cillin comes with a firewall too that isn't as good as Norton's. Have Phun.