If it says "Windows is activated," you are good to go. If not, you will see an option to "Change product key." The Legal and Safe Alternatives
The generators, it turned out, were not as magical as they seemed. They were simply algorithms that produced keys based on complex mathematical formulas. Some generators might produce working keys, but they were often unreliable and could lead to problems down the line. windows 7 ultimate product key generator 32 64 bit 100 upd
Which would you like?
, which are intended for specific organizational purposes and will not permanently activate a personal copy of Windows. Super User If it says "Windows is activated," you are good to go