I’m an Independent Advisor and Microsoft consumer such as you. Thanks for publishing the query listed here at this forum. To log in to Microsoft 365, you will want a valid Microsoft 365 account. If you have already got an account, abide by these actions to log in: the graphic https://cristiansagms.onzeblog.com/36654676/how-to-fix-microsoft-365-issues-on-windows-10-11