I know that at one time it was possible to do this when you were doing a clean install and of course.
Windows 7 upgrade to windows 10 product key not valid.
Activating windows 10 using a windows 7 product key.
Windows 10 would then report that key to microsoft s servers and windows 10 s activation servers would give your pc a digital entitlement now a digital license to continue using windows 10 for free just as.
This can be your windows 7 or windows 8 retail or oem product key before upgrading.
This allowed users to perform a clean install windows 10 and enter a valid windows 7 8 or 8 1 key during installation.
The most notable being that windows 10 is free for existing windows 7 8 8 1 users for the first year.
Regardless of this product activation remains a part of windows 10.
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.
Note that we can t speak to the business licensing side of things here.
This is the product key you want if you encounter product activation issues in windows 10.
Posted in windows 10 discussion.
Retrieve windows 7 key to proceed for windows 10 upgrade using this path you need to have your windows product key you must ve received with your purchase of windows 7.
Now when i go and install w7 i get up to the last part of installation where it asks me for my product key i enter it but it says its not valid.
I bought w7 pro off of the microsoft website where it gave me and iso to.
The original product key.
If you have windows 7 pcs in your business microsoft may not consider you compliant with the terms of its.
Product key windows 7 upgrade rejected as not valid by ms 03 23 2017 06 20 am if after following that guide windows 7 is still not activated and you are not up to more advanced troubleshooting then the most logical next step is to purchase a different product key and using that new key to activate.
Upgrading to windows 7 is pretty straightforward and if you ve been using an authentic version of windows 7 you can do it using your windows key.