Originally posted here by Adam Burleigh
1. put a version of Linux to a disk, then upload it when i'm on the computer. Then remove the disk, re-boot and hey presto, Windows is back on.
If that's your preference, go for a bootable Knoppix CD.


EDIT:

Someone tell me if this link isn't the right one:

http://www.knopper.net/knoppix-mirrors/index-en.html