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I am a new user to SU. Sorry if this has already been asked before. I did ask a user in a comment a while back.

Anyway here goes : I assembled my own PC. I purchased the OEM version from the market here in India of Windows 7 Home Basic 32 bit.

I have since upgraded my RAM to 8 GB the maximum permissible under Windows 7 Home Basic.

I am trying to upgrade my OS to 64 bit. For that I downloaded Windows 7 from Microsoft. I could only get Professional edition. OK No problem. I downloaded the ei cfg utility that removes the ei cfg file from the ISO. But while installing it did not present me with a choice of OS versions. It only installed the professional version.

So I restored the ei cfg file, changed the version to Windows 7 Home Basic. Now while booting from DVD-ROM I get an error saying the key does not match any of the images.

I am legitimate user, but these days it is difficult to find the links to my version on DigitalRiver.

What am I doing wrong? I realize the setup has changed.

Is there a pre-SP1 version that gives me OS choices? (I would appreciate links official or torrents).

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closed as not a real question by Ƭᴇcʜιᴇ007, Siim K, Windos, TFM, Dave M Mar 18 '13 at 12:34

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

up vote 2 down vote accepted

I can tell you right now why the key doesn't work. You purchased a 32-bit version with a 32-bit key. It's not happy your using a 64-bit version with a 32-bit key. The only thing I can think of if you want to stay a legitimate user is to call Microsoft and ask if you can trade your 32-bit key for a 64-bit key. The may or may not allow you to do this. Sorry.

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"You are free to switch between a 64-bit and 32-bit version of Windows at any time. This requires a reinstall, but you can use the same license key. Depending on how recently you have reinstalled, reactivation may be possible over the internet, or may require you to call the activation hotline." SU link – Ƭᴇcʜιᴇ007 Mar 17 '13 at 17:45
Not true if you buy a 32-bit exclusive. – Griffin Mar 17 '13 at 17:46
notice the fact that he said OEM' – Griffin Mar 17 '13 at 17:47
The reactivation hotline will most likely just make the key active on 64-bit. But you still have to call – Griffin Mar 17 '13 at 17:49
+1 OEM versions can indeed be 32 or 64-bit only, and I agree that calling the activation hotline might be the best possible solution to sort this out. But perhaps before that he can try the key with the generic retail 64-bit Home Basic version of Win7. – Karan Mar 17 '13 at 18:01

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