Can You Use Your Windows 7 Product Key For Fresh Windows 10 Install

Windows 10 is free for anyone wanting to upgrade from Windows 7 or Windows 8. That’s what we all know and as more and more of us continue to upgrade our older Windows version to the newer one a fresh question is doing the rounds; is your Product key now tied to Windows 10 or is it still tied to Windows 7 (or 8)? The question is important because if at any time in the future you want to do a fresh Windows 10 install, you will want to know whether or not you can do so from an install disk or USB and give it the same product key that you used for Windows 7/8, or if you will have to upgrade Windows 7/8 all over again after activating it with its original product key. The simple answer here is ‘No’. You will need to upgrade from Windows 7/8 to Windows 10. More details inside.

Your Windows 7 or Windows 8 product key doesn’t turn into a Windows 10 product key after you upgrade your system. We know because we tried.

The test involved a Windows 7 Home Basic edition that was upgraded to Windows 10. A bootable USB for Windows 10 was then created. When attempting a fresh install, it asked for a product key and we used the one we originally had for Windows 7. Bear in mind that that version of Windows 7 had been used to upgrade to Windows 10 on that very same PC. Needless to say it didn’t work.

You can still go ahead with the installation but in the end you will have a Windows version that needs to be activated and your product key will not be accepted. You might be able to work through this if you get in touch with Microsoft support but that’s on a chance.

It’s also possible that the product keys aren’t being associated with Windows 10 right away in case anyone wants to downgrade their system. We will run the test again after a month and update this post with what we find. Until then, hang on to your Windows 7 installation media, and make sure you don’t lose your product key.

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About Kelli Smith

Kelli Smith
Kelli runs customer support and creates content for Skillcrush, a digital skills training and education platform with friendly instructors, an active student community, and laser focus on helping you achieve your career goals with technology. She has an MBA and successfully ran an international company and her own freelancing business before pursuing her passion for tech by taking advanced web development classes. Kelli loves listening to tech podcasts at 2x speed, looking for cute Corgi photos online and teaching and performing country line dancing—as a true Texan living in Finland would do. Say hi on Twitter.

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