A:AnswerYes, you can, by going into your Microsoft Account. Then click on Your Info, then Manage how you sign in to Microsoft, then add another email address, then set that address as your primary.
A:AnswerYes, it is. You will just need to make sure it meets the OS requirements here: https://support.office.com/en-us/article/microsoft-os-requirements-for-office-2019-for-mac-and-office-365-for-mac-16b8414f-08ec-4b24-8c91-10a918f649f8.
A:AnswerYou will need to make sure your MacBook Pro meets the system requirements here: https://aka.ms/AA4rinl.
And the macOS requirements here: https://support.office.com/en-us/article/microsoft-os-requirements-for-office-2019-for-mac-and-office-365-for-mac-16b8414f-08ec-4b24-8c91-10a918f649f8.
A:AnswerMy tower broke so I purchased a new Dell which came with Microsoft 10 (not Pro) and it downloaded without any problems. However, the Office Home and Student 2019 is from Microsoft so I googled wwww.Microsoft.com/questions and there seems to be an opportunity for you to ask a Technician at Microsoft your specific question. I hope this helps.
A:AnswerNo. Office applications are customized for each platform. The Office applications available for Mac users and the specific features that are included may differ from those available for PC users.