From your windows 10 home running version 1511 enter the windows 10 pro default key under change product key.
Windows 10 home valid key.
Regardless of this product activation remains a part of windows 10.
Microsoft allows all valid users to freely upgrade to its latest version of operating system without spending a dime.
Before upgrading to windows 10 pro make sure your device is up to date and running the most recent version of windows 10 home.
Windows 10 volume licensing.
Windows 10 product activation keys.
To upgrade from windows 10 home to windows 10 pro and activate your device you ll need a valid product key or a digital license for windows 10 pro.
The system will not prompt you to enter a key if you are upgrading from a genuine version of windows 7 8.
Windows 10 home edition.
When you select this option you ll be able to install either windows 10 home or windows 10 pro.
Press the windows key r on your keyboard to open run.
The most notable being that windows 10 is free for existing windows 7 8 8 1 users for the first year.
You can change the product key in the registry anytime you wish.
But for any reason that key sometimes doesn t work therefore we have more windows 10 product key or serial keys for you.
How to change a windows 10 product key using slui.
If you run a business and need windows 10 on multiple machines then it would be better to go through volume licensing to procure windows 10 keys.
Windows 10 single language key.
On the microsoft community forums charles of microsoft says.
For more info about how to keep your pc updated see windows update.
These keys won t give you an activated copy of windows unless you re in an organization with a key management service but they will allow you to get through the windows installation process.
Enter a valid windows 10 product key and click next.
Windows 10 pro serial key.
Microsoft if using a windows 7 or 8 key works for.
Type slui and click ok.
Here are the steps you need to follow.