Win7 reinstall

Hi All.
I have had win7 on for about 2 months now and I should have replaced the hard drive before I did this but I didn't, so here is the question if I replace the hard drive and reinstall win7, when I go to activate windows will it think it is a copy or will it know I have a genuine copy from the serial no or something els?, Also if I do a bios upgrade and replace the CPU will it need to reinstall win7 again



Extraordinary Member
1. yes you will have to reactivate after a reinstall, however as long as the serial is real that's not a issue, although upgrade editions need old OS installed beforehand.
2. a bios upgrade shouldn't need a reinstall, but a CPU may, although should be okay from my experience.

Many Thanks for that


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