A Windows 7 or Windows 8/8.1 product key cannot activate Windows 10. Windows 10 uses its own unique product key.
So, does windows 7 key work for windows 10?
One thought is that Activating Windows 10 with a Windows 7 product key still works, so even if you didn’t install Windows 10 during the free upgrade promo, you can still do that at no extra cost. So the first thing you should do is to install Windows 10 on your computer.
This begs the question “Can Windows 7 keys be used to install Windows 10?”
As part of Windows 10’s November update, Microsoft changed the Windows 10 installer disc to also accept Windows 7 or 8.1 keys. This allowed users to perform a clean install Windows 10 and enter a valid Windows 7, 8, or 8.1 key during installation.
From windows 7, use the upgrade tool and install win 10. This will convert your key to a windows 10 key. Next, sign into a Microsoft account. This will tie your win 10 key to that account.
What you need to do is. From windows 7, use the upgrade tool and install win 10. This will convert your key to a windows 10 key. Next, sign into a Microsoft account. This will tie your win 10 key to that account. Now, do a clean install of windows 10, skip all of the “Enter product key” screens during the install.
Also, what happens to my Windows 7 key when upgrading to Windows 10?
One source proposed you will have a new and different Windows Product Key after upgrading to Windows 10. While it’s possible this will be the same as your Windows 7 key it is unlikely, instead you will have a different Windows 10 only key which can then be used for doing a clean install of Windows 10.
Can I Use my Windows 7 CD key to upgrade to pro?
Nope, must purchase the Win 10 Pro key. 1) Only if your W7 version is either PRO or ULTIMATE (not HOME or Not Enterprise).