I was about to migrate to Win7 Professional 64 bit (using an OEM DVD bought from Novatech) but, having tried and failed, I now realise that I have a 32 bit processor! Novatech won't exchange it because the seal is broken so it looks like it might be an expensive mistake UNLESS ...
Can a 64 bit OEM licence key be used for the 32 bit version? (This is OEM, not retail). If it can then I only to borrow the 32 bit media from somewhere, but web searches give conflicting advice.