Simple Solution
Remove Windows altogether and install one of the two following Linux distributions:
Detailed Solution
Everyone buying their first computer has an exciting world ready to be explored, but there are dangers that can easily be avoided. This article is directed to securing and protecting systems purchased with the Microsoft Windows XP Operating System and tyically works with most other Windows. The reason it doesn't work with all Windows versions is that many vendors have decided to follow Microsoft's example and no longer support any version of Windows released prior to Windows XP.
Once the instructions on connecting the keyboard, monitor, mouse, speakers, etc., have been completed, but before you go online or connect a network cable, or enable the wireless card, the very first thing you will want to do is enable the Windows firewall. The capability of this firewall is very limited and offers very limited help, but it does help as it does close some of tens of thousands of ports open to outside users.