my computer did an update and now everything looks weird... it's been slow for a while, i'm thinking about just using the discs and wiping the computer and reinstalling the OS, but on the pkg, it says i need to COA product key code under my laptop, but it's all rubbed off.... i don't mind wiping the computer, but i can't read my key code to finish reinstalling the OS...

help!

nb4delete system32