oh yes, follow zombie14513186318's advice to the letter, and then remember to send a cheque for everything you own to:
Bill Gates
Microsoft Castle
Redmond,
then hop around your house 3 times with one hand tied to your ankle, then go back indoors, and take off all your clothes before dunking your head 12 times into a pan of boiling oil. That should be about as much help as anything anybody else can come up with.
Face it. your windows has died, give it a decent burial and if you must use windows, do a fresh install and save yourself some ag.
There is no reason why every windows user wouldn't want to dual boot with a UNIX based system in this day and age though, so think about that.