things that u must have to keep your computer fully secured

k to keep ur computer fully secured u need antivirus ,antispyware,third party firewall,siteadvisor and antispam program.

antivirus:avira antivirus personal or avast home edition
antispyware:ad-aware free,spybot search and destroy,keyscrambler
third party firewall:zonealarm free,outpost firewall free
siteadvisor:crawler toolbar with web security guard,mcafee siteadvisor
antispam:spambayes

note:all of this programs are 100% free n have no virus