Trados 2021 Freelance Plus- How to activate licence on new computer

Hi, I have installed the FreelancePlus version on my laptop and on my PC. My PC needed to be upgraded from Windows 8 to 11, so I have changed everything (new processor, etc.). Before doing so I have deactivated my licence directly in Studio. I have now reinstalled everything but when I open Studio and enter the activation code f6fd9xxxxxx it doesn't recognized it. So I went online on my RSW account. It still shows that the 2 licences are in use. Should I go to "Deactivate online"? But then which one to deactivate? I don't want to deactivate by mistake the one that is on my laptop as Studio is currently open and I'm working on a project on it. Thank you

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