moving a HDD with win 7 on it to a new build?

MisfitJoker

Honorable
Jul 6, 2013
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lets say you have an OEM version of win 7 on an old computer but its a good HDD. can you take that HDD and just put it in an entirely new build (cpu, gpu, psu). i know that once you put an OEM on a computer its stuck there, so is this possible or will there be an error with the new hardware?