Windows 10: How to activate Windows 11PRO after upgrade from win7PRO to win10PRO

Dear Microsoft Support Team,I hope this message finds you well. I am writing to seek your assistance regarding the activation of Windows 11 Pro. I have recently upgraded from Windows 7 Pro to Windows 10 Pro and subsequently to Windows 11 Pro using the free upgrade options available. However, I needed to perform a clean installation of the operating system, and I am facing issues with its activation.Unfortunately, I have been unable to reach the local phone support in the Czech Republic, and the troubleshooting advice provided has not resulted in a functional solution. I possess a valid Windows

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How to activate win10pro on new computer using win7pro license?

My computer died. I got a new motherboard and cpu, downloaded and installed win10pro. When I tried to activate using my win7pro upgrade product key, it didn't activate. Tried logging into my Microsoft account, that didn't work either. How can I get
this activated?

 

Networking Win10Pro to Win7Pro stopped working. How do I fix it?

Thank you, Pauli O, for your reply, instructions and the link.

I was never able to get the two computers talking to each other using a "Private" network, so I've been using "Public" all this time. (The Modem/Router is secure, with a strong password.) I do not have Powershell installed. I do have both computers with
the same login username and password.

I do not get the error "\\PCNAME path not found" The error I do get is "Your computer appears to be correctly configured, but the device or resource (PCNAME) is not responding."

All the services you listed are running and set to Automatic. Network Discovery and File and Printer Sharing are set to On and Password protected sharing is Off.

Both computers "see" the other in the Network folder. The Win7Pro computer can access, read and write files and folders on the Win10Pro machine. The Win10Pro computer cannot access the Win7Pro machine.

 

Win10Pro transfer to new PC

I bought a PC with Win7Pro already installed (the sticker refers to OEM). This was updated to Win10Pro. The motherboard on this PC has now died and I need to purchase another. Most come with Win10Home and I would wish to transfer the licence from the dead
PC to the new one. Unfortunately, I do not have a Win10Pro licence key to hand (or access to it as the PC is dead). I do have the original disc and the key for the Win7Pro. I cannot find a straightforward answer as to whether I can upgrade a Win10Home installation
to Win10Pro using the Win7Pro key. Please advise.