License reset

I deleted the SDL programme on my first computer (A) and did not  deactivate the license. I would like to use my SDL Trados on my second computer (B) and cannot use it because the system says I have zero license. Can you help pls help me or describe the most convenient procedure to get my license reset. Please note that I intend to use SDL Trados on my second computer (B) only. Thanks!

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