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Windows 7: Product Keys: install from different disk then product key disk

27 Oct 2015   #1
bobland

Windows 7 Professional SP1 64 bit Retail
 
 
Product Keys: install from different disk then product key disk

Is the product key directly related to the install disk? That is, can I install Windows 7 on a computer and use a different product key than the disk I'm using to install, assuming this different product key is unregistered?

Or in another light: If I install using a registered copy but enter my legal copy's product key, is this a valid installation? Can this even be done?


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27 Oct 2015   #2
pbcopter

Windows 7 Ultimate x64 SP1, Windows 8.1 Pro x64, Windows 10 Pro x64
 
 

There is no product key information on the installation disks.

If the version of Windows you install is the same as the product key you intend to use, it will be fine.
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27 Oct 2015   #3
cyclops

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

The only thing to really be concerned with is what type of installation disc you have. Is it a retail version or OEM from a specific manufacturer?
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27 Oct 2015   #4
alphanumeric

Windows 10 Education 64 bit
 
 

As mentioned, there is no product key stored on the disk. They make a master and then stamp out copies of that, they are all identical. What can get you is if your code is for say Home Premium but the disk is coded for Pro. If the key doesn't match the version on the disk it will be rejected. There is a way around that though, just delete the ei.cfg file to make it a universal disk. Windows 7 Universal Installation Disc - Create
My MSDN ISO's will accept OEM and Retail keys and I believe are identical to Retail DVD's you'd buy off the shelf. Branded custom OEM DVD's are a different matter. I'm not talking recovery media, full install media that you can actually install Windows with. They will have an $OEM$ folder in the sources folder. That is where the OEM-SLP activation files and other OEM branding is. Delete that folder and it becomes a regular disk. As far as I know anyway. Leave it there and if it see's the correct OEM BIOS SLIC table, it will do an OEM_SLP setup. If it doesn't it should then prompt for a product key. That will work but you may end up with side effects. Like say Dell logo's on your Acer laptop etc. You may get incorrect drivers installed too. Better to just nuke the $OEM$ folder if your using it on another brand of PC.
My System SpecsSystem Spec
27 Oct 2015   #5
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

What pbcopter said in reply #2

As long as you use a Home Premium key for Home Premium, a Professional key for Professional etc, and as long as that key has not already been used to activate windows.
My System SpecsSystem Spec
27 Oct 2015   #6
cyclops

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

alphanumeric, that was a great explanation. reps coming your way.
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 Product Keys: install from different disk then product key disk




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