Sign in with Microsoft 365 login account if you already are using Microsoft’s other services like Outlookcom, Xbox Live, Skype, or OneDrive, it means you can use this account for Microsoft Office 365 login.Microsoft365.com/setup
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Create Office 365 account
Access the Microsoft Office website.
At the top-middle of the screen, click Buy Office 365.
There are three options: Office 365 Home, Office 365 Personal, or Office Home and Student. ...
A sign in window appears. ...
Create an account by entering an e-mail address. ...
Enter a password.