Posted 03 January 2018 - 04:40 PM
If you wish to have a Microsoft-Account-linked Win10 User Account then a Microsoft Account must exist to which to link it. The userid is generally the e-mail address you're using and if the corresponding Microsoft Account does not exist you should be prompted to create one. If it does exist then the linked Win10 user account will be created and the password should be the same as the Microsoft Account to which it links.
You also have the option of setting up a local account, too.
If you activate the option for adding a family member, this is the first dialog you encounter:
whereas if you activate the option for someone else this is the first dialog you encounter:
Brian AKA Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134
In a modern society where everyone thinks their opinion deserves to be heard nothing annoys me more than individuals who mistake their personal preferences for fact.
~ Commenter TheCruyffGurn on the The Guardian website, 8/13/2014