On the microsoft community forums charles of microsoft says.
Upgrade to windows 10 pro free download without product key.
But you can still upgrade from windows 7 or 8 and download windows 10 unofficially.
From your windows 10 home running version 1511 enter the windows 10 pro default key under change product key.
Today i will show you windows 10 pro activation free 2019 all versions without any software or product key update 2020 click run as administrator donate pa.
How to activate windows 10 using a product key.
However the free upgrade to windows 10 ended officially on july 16th 2016.
Microsoft allows anyone to download windows 10 for free and install it without a product key.
According to professional windows tech support sites and managers here on this page we ll gather and show you two free methods to upgrade windows 10 from home to pro edition without losing data and formatting.
Is it possible to free upgrade windows 10 from home to pro edition without a key.
Just follow and see how to free upgrade.
Paste or type your windows 10 pro product key and click next to start the upgrade process from windows 10 home to pro.
It ll keep working for the foreseeable future with only a few small cosmetic restrictions.
And you can even pay to upgrade to a licensed copy of windows 10 after you install it.
But if you have a product key for windows 10 pro windows 7 professional or ultimate or windows 8 8 1 pro you can click the change product key button and enter that 25 character key here.
To run the free windows 10 os you will have to download and upgrade to the free version.
We understand that the majority of users would have downloaded windows 10 directly through windows update as part of the free of charge upgrade process when it was available but now that it isn t and for those in need of an official windows 10 iso file we are here to help you out.
If the key is valid your pc will now restart to complete the upgrade.