Hi their I would like to know if its possible to do complete clean to go back to windows 8.0? I would also like to ask where can I get the oem windows 8 from for hp laptop? I hear that my laptop the key is bios saved and to activate my laptop all i do is to put my key back in ones I have installed windows and it would activate is that correct? I would also like to merge the other recovery drive which I think is waste of my 20 gb and would like to merge this to my one drive so how can I do this? I ran in to some issue with Emsisoft on windows 8.1 as it keep telling me I have a vires in registry and when it tried to clear from the registry it just does nothing happens so I have decided to go back to 8.0 where it was working fine but it could be that I may have had a few vires that I cleaned up and It might just need to reinstall os but I would like to know what do you think? should I go back to 8.0 or should i install 8.1? Also can some tell me where can I get oem windows 8 dvd and 8.1 dvd for my HP Pavilion g6-2210sa. Also does any one knew what windows version I am running HP Pavilion g6-2210sa?