Hi, @techno care
You can install your Office on your new computer from the Office Account at https://account.microsoft.com/services. You will need to sign in with the same Microsoft Account that you used to purchase your Office. Then you will need to contact Microsoft Support to 'deactivate' Office on your old computer. You can find the number in global-customer-service-phone-numbers-c0389ade-5640-e588-8b0e-28de8afeb3f2
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