AVG Anti-Virus Protection-- http://free.grisoft.com/

A free anti virus program to help detect and eliminate MOST viruses. Viruses are made everyday by shrewd programmers who take joy in ruining peoples computers and networks. Since they are made everyday, you must keep yourself protected by frequently Scanning and updating your antivirus definition files.

Ad-Aware Spyware scanner -- http://www.lavasoftusa.com/
Spywares are tracking files that can monitor your surfing habits, collect personal information, redirect web browser activity, download additional viruses in stealth mode, which will all slow down the computer. This program allows the user to Scan for spywares and keep upto date with the reference files that come out twice a week.

Trojan Remover -- http://www.simplysup.com/
Trojan files are programs that open up backdoors on your pc to allow a remote user entry, or programs that can download and install them self onto your computer in order to hijack your web browser which leads to malicious spywares and add popups being downloaded.

Google Earth -- http://earth.google.com/
This is an amazing virtual globe program that allows you to view anywhere* in the world and universe from the satellites in space. This program is very useful to find driving directions or look at the difference constellations in outer space. Best of all, its Free.

Vista Video Codec -- http://shark007.testbox.dk/
After you install windows, your going to want a set of drivers to watch your favorite dvd and downloaded videos. This is the perfect solution. It has all the codecs / drivers you need to watch those DivX, MK2, MP4 files.

XP Video Codec --  http://www.xpcodecpack.com/
You need this in order to watch certain video files download from the internet.  Such as Avi, DivX and Dvd files.

PC Diagostic/repair Tool - http://jaetek.ca/reimage
Shows you exactly whats wrong with your computer.  Also cleans up alot of unwanted files from surfing the net and repairs many windows error problems.   (This tool is my personal favorite.)