On the microsoft community forums charles of microsoft says.
Windows 7 upgrade to windows 10 product key.
Input the new windows 10 product key and press ok.
One of the reason is microsoft is working for their clients to enhance the client encounters for windows 10.
The original product key.
A windows 10 change product key dialog will look.
How to enter the new windows 10 activation key.
Follow the steps below so that your windows gets triggered.
Moving up to another variant of windows is free of cost.
The product key for windows 10 may be changed anytime.
An upgrade moves your pc from a previous version of windows such as windows 7 or windows 8 1 to windows 10.
The free upgrade to win.
But here is what i found.
A digital license called a digital entitlement in windows 10 version 1511 is a method of activation in windows 10 that doesn t require you to enter a product key.
From your windows 10 home running version 1511 enter the windows 10 pro default key under change product key.
7 has ended years ago.
There s still a way to activate windows 10 with a windows 7 8 or 8 1 key in addition to microsoft s accessibility offer.
Microsoft s free windows 10 upgrade offer is over or is it.
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.
As part of windows 10 s november update microsoft changed the windows 10 installer disc to also accept windows 7 or 8 1 keys.
Go to run slui.
If you utilize assistive advances windows 10 upgrade product key you can move up to windows 10 from any windows 7 or 8 8 1.
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.
Depending on how you got your copy of windows 10 you ll need either a 25 character product key or a digital license to activate it.
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.
This allowed users to perform a clean install windows 10 and enter a valid windows 7 8 or 8 1 key during installation.
This is the product key you want if you encounter product activation issues in windows 10.
We originally wrote this article in 2016 but this upgrade trick still works as of january 14 2020.