For those of you who have no experience with linux, don't worry. It's very minimalistic, and only offers a small range of tools. It's quite easy to use. I mean, all you're going to use it for is to backup your data before reinstalling windows....right?
Download Puppy Linux Here
(They provide instructions on installation, loading it on a pen drive, and other related topics)
It wasn't until a fortnight later that I actually started troubleshooting my computer. I felt quite comfortable using this OS for that long of a time period.