Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
To install Microsoft 365 on your new laptop, you just need to sign in with the same Microsoft account that is associated with your existing subscription.
Go to: https://account.microsoft.com/services
Sign in with your Microsoft account.
Click Install next to your Microsoft 365 subscription.
Download and run the installer.
After installation, open any Office application and sign in with the same account to activate Office.
If you are unable to install it, please check your subscription status here:
https://account.microsoft.com/services
Make sure the Microsoft 365 subscription is active and that you are using the correct account.