Hello, I'm if I could convert my already installed retail version to oem one? The current activation key is only for OEM Channel I'm afraid... I've found that in a voatk's Vista activator there is this option, do you know how to do it on windows 7? As I saw already in voatk, it replaces the tokens.dat and may be it's doing something else, I don't know...
once you register the key your win7 will be oem_slp channel... even if its installed with the retail iso
This kind of activation works only at a untouched RTM retail or OEM version of W7. If you have messed up with activators it'll not work! Make sure to run your CMD as admin.