Problem with transfering the activation code from one computer to another

Hello,

I just bought a new laptop and am trying to set up SDL studio 2021 on this new computer. First, I cannot deactivate the license on the old computer. I followed the instructions on this article:
gateway.sdl.com/.../communityknowledge
And I was able to deactivate the license this way.

However, I cannot activate the newly installed SDL 2021 on the new computer (Windows 11) with the activation code in my SDL account. And this activation code did not work either when I tried to re-activate the software on the old computer.

I look forward to any suggestions to solve this problem!

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