Microsoft 365 is the best way to get all the apps of Office within one subscription. In case you are trying to log in at Microsoft you can use the other accounts like OneDrive, Outlook.com, Skype, or Xbox Live if you already are using any of these services. microsoft365.com/setup | micrsoft365.com setup | Office.com/setup Home Student 2019 | Office.com/setup Home & Student 2019