Windows 10: Upgrade to Win10 Pro after windows re-install. Win10 Pro already purchased with digital key...

Win10 Pro already purchased with digital key from MS Store and but activation will not change from Home to Pro

:)

 

How to use Win8 Pro key for Win10 Pro upgrade?

i have a Win7 Home laptop, which was automatically updated to Win10 Home by Microsoft push. I had purchased a Win8 Pro key earlier but I had not updated my laptop to Win8 Pro before Microsoft's auto update. By default Microsoft installed Win10 Home. Now
I am not able to upgrade Win10 Home to Win10 Pro as the Activation screen keeps on telling me that the Win8 Pro key is not valid for Win10 Home.

How can I upgrade my laptop to Win10 Pro using my Win8 Pro key and not needing to purchase a separate Win10 Pro key?

 

Win10 Pro

Hi, I bought a Win10 upgrade license on my old laptop. At the time I had a lot of issues upgrading the OEM Win10 Home as the upgrade purchase didn;t come with a product key. After lots of phone calls with MS they eventually provided me with a product key
and the laptop was upgraded to Win10 Pro.

I now have a new laptop and still require the Pro functionality. Following the steps here (which also tells me my Win10 Pro upgrade license is transferrable):

How to Transfer your Windows 10 License to a New Computer

the OEMM Win10 Home didn't upgrade using the MediaCreationTool (it just offers to install Win10 Home), and the System > Upgrade and Settings > Activation upgrade function doesn't accept the product key I've purchased.

Any help would be appreciated - although useful Win10 is awful to upgrade and MS seem to have deprecatated a lot of their contact options.

 

Built new computer, running unactivated Win10 Home, have Win7 Pro key


I was initially thinking of buying a Win10 Home key, but I realized I still have a Win7 Pro key I purchased that I have never upgraded to Win10 and is not currently in use.

Two questions

• Can I use the Win7 key to activate Win10 (or is that no longer an option)
• Will Win10 Home turn into Win10 Pro (assuming I can still use key)