Originally Posted by cpalmer2k
Yes I understand that, my question was has anyone actually USED one of these retail keys for Windows 7 to activate more than one unique system? People here say you can activate up to 10 with a single retail key, other sites say one retail key= one activation. That was my question.
Yes, the same key can be used on different pcs for multiple activations. I have two very similar quad core boxes that I've tried to move hard drives between, and it required a reactivation. I've reactivated the install on the new pc, as well as perform fresh installs using the same key.