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Windows 7: Pro 32bit key, on Pro 64

06 Oct 2011   #1
Hydrogen

Windows 7
 
 
Pro 32bit key, on Pro 64

HP shipped my laptop with the wrong version of Windows. Rather than go through the pain of sending it back to them to get it refunded I wanted to know one quick thing:

The back of the laptop has a key that says "PRO OA" followed by the key.

If I use the key on the back, can I just install Windows 7 Pro 64 bit, and use the key from the 32 bit version? Or no? Reason I ask is because I REALLY do not want to have to send it back and have such a huge hassle with them.

TL;DR Can I use my Win 7 Pro 32bit key, on the same computer with Win 7 Pro 64.


My System SpecsSystem Spec
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06 Oct 2011   #2
Kari

Microsoft Community Contributor Award Recipient

 

Hi Hydrogen, welcome to the Seven Forums.

Windows 7 licences are edition dependent, that's all. You can use your Windows 7 Pro key to install and activate either a 32 or a 64-bit Windows. A good example is retail packs of Windows 7; you get one licence key and both 32 and 64-bit install DVDs, then it's up to user to choose which bit version to install.

Kari
My System SpecsSystem Spec
06 Oct 2011   #3
Hydrogen

Windows 7
 
 

Perfect, so If I understand you correctly, as long as I install Windows 7 Professional 64 bit, it shouldn't give me any hassle? Awesome, that reduces the stress of this tremulously. Thank you very much!
My System SpecsSystem Spec
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07 Oct 2011   #4
Kari

Microsoft Community Contributor Award Recipient

 

Yes, you understood it correctly. A licence key is for an edition of Windows 7. Seven Pro OEM key can be used to activate Seven Pro OEM 32-bit or Seven Pro OEM 64-bit, and a Seven Ultimate Retail key can be used to activate Seven Ultimate Retail 32-bit or Seven Ultimate Retail 64-bit.

A tip: other geeks think I'm paranoid and crazy, but I always "uninstall" an activated licence key, release it, before using it again (after re-install etc.). Uninstalling a licence key is done with Windows Software Licence Manager, slmgr. This post tells you more about uninstalling a product key in Windows 7.

Kari
My System SpecsSystem Spec
07 Oct 2011   #5
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

Theres no need to "uninstall" the license key, removing windows or formatting the disk is sufficient. Thats because a retail key is "activated" at MS's servers, thats where the hardware hash linking that computer to that key is stored. Uninstalling the key locally via slmgr has no effect on MS's data, that is affected only when you try to reuse that key on the same or a different machine.

Of course if slmgr satisfies your conscience and makes you feel you're doing things the ethical way, thats a different matter.
My System SpecsSystem Spec
07 Oct 2011   #6
seavixen32

Windows 7 Ultimate SP1 64-Bit
 
 

Quote   Quote: Originally Posted by Hydrogen View Post
HP shipped my laptop with the wrong version of Windows. Rather than go through the pain of sending it back to them to get it refunded I wanted to know one quick thing:

The back of the laptop has a key that says "PRO OA" followed by the key.

If I use the key on the back, can I just install Windows 7 Pro 64 bit, and use the key from the 32 bit version? Or no? Reason I ask is because I REALLY do not want to have to send it back and have such a huge hassle with them.

TL;DR Can I use my Win 7 Pro 32bit key, on the same computer with Win 7 Pro 64.
Before you wipe your drive and reinstall Windows you might want to copy the swsetup folder under C:\Windows as it contains the HP drivers and any applications you might find useful.

Pro 32bit key, on Pro 64-hpsetup.jpg


My System SpecsSystem Spec
07 Oct 2011   #7
Kari

Microsoft Community Contributor Award Recipient

 

Quote   Quote: Originally Posted by Bill2 View Post
Of course if slmgr satisfies your conscience and makes you feel you're doing things the ethical way, thats a different matter.
That's precisely why I am always doing it. A bit paranoid, I keep doing these extra unnecessary things just to please myself .
My System SpecsSystem Spec
07 Oct 2011   #8
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

Quote   Quote: Originally Posted by Kari View Post
Quote   Quote: Originally Posted by Bill2 View Post
Of course if slmgr satisfies your conscience and makes you feel you're doing things the ethical way, thats a different matter.
That's precisely why I am always doing it. A bit paranoid, I keep doing these extra unnecessary things just to please myself .
Lol, I always underestimated the capabilities of slmgr.
My System SpecsSystem Spec
07 Oct 2011   #9
Kari

Microsoft Community Contributor Award Recipient

 



My logics:

Slmgr has an uninstall product key switch (slmgr /upk) ergo it is meant to be used. So I use it
My System SpecsSystem Spec
07 Oct 2011   #10
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

Quote   Quote: Originally Posted by Kari View Post


My logics:

Slmgr has an uninstall product key switch (slmgr /upk) ergo it is meant to be used. So I use it
Hmmm...hopefully that logic doesn't extend to format C: or rmdir windows and such like. But of course you're not that logical/illogical.
My System SpecsSystem Spec
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 Pro 32bit key, on Pro 64




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