Answers:
If you be set to on your computer, dance to start, click on control panel, and look for Security.
Asking better question might be a polite start.
Browse the internet. There are plenty of suitable ones.
Anti virus- McAfee, Kaspersky, AVG, Avast
Anti spyware- Spybot Search and Destroy, AVG anti spyware, Avast, Superantispyware, Spyware Terminator.
use a firewall for securing your notebook. here is how to do it:
http://teqedge.com/doku.php?id=zonealarm...
PC Security? Go to www.download.com and type in anti-virus. In the enumerate it brings up, will enjoy `AVG Free edition scheduled (Not the trial version) and its brilliant! I swear by it. Much better than Norton or McAfee or any of the ones you salary for.
in my pocket!