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Windows 7: win 7 & mobo

02 Aug 2011   #1

Windows 7 Home Premium 32 bit
win 7 & mobo

I installed Windows 7 Home Premium (32-bit) on my computer soon after it came out, having built the rig myself, so it can't be an OEM. On the box it says "for use on one computer," and the box contained two DVDs for the different "bits," (i.e. 32 and 64), together with the liscence keys.

While I realize that I can reinstall it on this computer should it ever be necessary I do have a question.

If I need to replace the mobo, or even build another rig, can I install the OS on the new mobo, or new rig? And can I use the 64-bit version instead?

OR, will I have to buy Win 7 all over again?

Currently, what I bought is the full retail version. It came in a plastic box with 2 separate DVDs, one for each bit size. But it only had one liscence key - to be used for either version

Thanks, and sorry if I've posted in the wrong section.

My System SpecsSystem Spec

02 Aug 2011   #2

Microsoft Community Contributor Award Recipient


If you delete the 32bit install, you can then use the 64bit, install to the same rig or new rig.
My System SpecsSystem Spec
02 Aug 2011   #3

Windows 7 Home Premium 32 bit

Thanks for the info.
My System SpecsSystem Spec

03 Aug 2011   #4

Windows 7 Home Premium 32 bit

Something may have gone wrong here as I had another answer but can't find any way to make it show up in this thread. It was from gregrocker and said:

Is it OEM version or not as you don't make it clear?
If so changing the mobo is supposed to prohibit reactivatiion, however there are numerous reports that MS phone activation is making exceptions for replaced mobo's. But you cannot count on this.
One workaround used by tech support is to replace exact mobo.
You would want to either clean reinstall or SysPrep the HD on the old hardware first to remove all drivers so it will start on the new hardware. SysPrep to move HD to another computer (Windows 7 Installation - Transfer to a New Computer) .
To which I can reply no, i'ts not OEM, sorry for not making that clear. And as for trying phone activation I can't do that as it's too expensive to call MS from the UK. Neither can I replace the exact mobo as it's no longer available from Ebuyer, where I shop, and in fact I don't need one at the moment. It was really just a question for future reference when I build my next rig.

Thanks for the link, a very interesting read which I'll make a note of.
My System SpecsSystem Spec
03 Aug 2011   #5
Microsoft MVP


If it's not OEM version then you can migrate it to any hardware of your choice.

I've never heard of it costing to call MS Phone Activation, which normally pops up as an option if web activation fails.
Activate Windows 7 by Phone

But you'll probably not need phone activation with retail Windows 7.
My System SpecsSystem Spec
04 Aug 2011   #6

Windows 7 Home Premium 32 bit

Very many thanks, indeed, gregrocker. That really does answer my question.

And, as for activation by phone costing from the UK, I'm afraid that was something I just assumed. So the link you gave was very helpful. I had no idea that was how it worked.
My System SpecsSystem Spec

 win 7 & mobo

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