Hello @tekor ,
welcome to this moderated Azure community forum.
Windows 10 Home does not come with a free license.
I recommend first checking if a license was distributed eg. with your laptop/PC when it was purchased or via an upgrade from Windows 7. Follow this guidelines.
If you do not have a license, follow these steps to purchase one:
If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. All community members with similar issues will benefit by doing so. Your contribution is highly appreciated.