Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
With a Microsoft 365 Personal subscription, you can install on multiple devices. However, the Personal subscription is for a single user. To share Office apps with multiple users within the family, you need to "upgrade" to Microsoft 365 Family.
P.S. In the Q&A forums, you may receive a reply from an AI bot, previously called Q&A Assist; now it is just called AI Answer. The rest of us are real people, though.