Windows 7 Pro x64 key work on Windows 7 Ultimate x64?

yes much clearer thank you

harpua said:

protocol79 said:

So if i have a copy of Windows 7 32bit with a Key and i use a windows 7 x64 install the key will work?

The way this question is phrased, the correct answer is MAYBE.

The version of windows 7, whether 32 bit or 64 bit, MUST BE THE SAME. So a home premium key will not activate Ultimate or Pro no matter what. So a Pro key will not work to activate Ultimate no matter what.

But an x86 Ultimate key will work to activate x64 Ultimate. Clear now?

So, a student can get in on the $29.99 offer for Home Premium, download the x64 version, use that key to load onto their desktop and then use the same key to load x32 on their laptop without violating anything?

No - one key one OS install. It's one or the other - not both.

When you load the key the second time it will say it has already been used.

Well the one key thing is not entirely true, or in MSDN anyway. I have used one key for ultimate and am running on 4 diff computers at the same time and no problems =)

Its when you have 1 key and 11 computers when the problem starts to come up.

FliGi7 said:

So, a student can get in on the $29.99 offer for Home Premium, download the x64 version, use that key to load onto their desktop and then use the same key to load x32 on their laptop without violating anything?

You're not supposed to be able to.

It's normally one key = one machine.

You can install either 32-bit or 64-bit with that key, but not to two different machines simultaneously.

Until things are actually formally out and running (outside of Technet / MSDN keys), no one will know for sure if they may be lenient this time for the desktop / laptop thing.