What exactly is a firewall? If I have antivirus and antispyware software, do I still need a firewall

Over all what exactly do I need to keep my computer safe? And can anyone recommend specific products?

What exactly is a firewall? If I have antivirus and antispyware software, do I still need a firewall?spyware removal

A firewall blocks unauthorized access to your computer from the internet. For example if a hacker deliberately attempts to break into ur system and steal the sensitive information stored in it like bank accounts, credit card nos. passwords etc. A Firewall blocks such malicious access into your system. Yes you need a Firewall besides having antispy and antivirus

What exactly is a firewall? If I have antivirus and antispyware software, do I still need a firewall?virus protection software

a fire wall is a program that blocks unwated programs such as aol loader

The following is a list of the best products to keep your computer safe all of them can be downloaded from download.com:

Antivirus: alwil avast home edition4.7

antispyware/antiadaware: download both microsoft windows defender %26 spybot search and destroy 1.4

Antispam: spamfighter standard

browser security toolbar: mcafee site advisor

software firewall: zonealarm 7.0 for windows xp and 7.1 if you have vista

rootkit detection: avg anti-rootkit

they are all free at download.com ecept for microsoft ones you have to search on microsoft.com for those to get the free download download.com is free software download and its safe no viruses.

(just alittle editing below)

i really do highly recomend you keep your firewall running.
a firewall is a device, or software that prevent hackers from hacking your computer.