Its completely silly but thats the way it is. For home you cant use an office 365 account as the sign in. You need to create a basic account and only use the 365 to login use and/or install apps, etc.
Have never done this but think it would work happy (have never played with home versions or not since win 7 home on new notebook years ago)
would be interested to know if it does need pro to use office365.
Upgrade the computer to Windows 10 Pro, then remove the Microsoft account from it, else all appliactions are binded to it, a pain in the neck to have multiple users, or even a simple user that is not the person who registered the device using a MIcrosoft account. Windows Home cannot be added to a domain.
MS has 2 different types of accounts, business and home (note these are account types named by MS, they do not have any bearing on whether the account itself is used for Business or Home). They make it super difficult to find out if a given account is business or home. However, some of their services (such as a Office 365 business subscription) can only work with an account of type business, while Windows 10 Home can only work with an account of type Home.In this case, it looks like you are using a business account to sign into Windows 10 Home, which is not allowed. You need to create a new MS account of type Home to sign into Windows 10.
You can go to account.microsoft.com, and see if you can find enough clues after signing in as to whether the signed in account is of type business or home. I wish (1) MS had not created this mess, (2) Named the different accounts types something other than business and home (3) Made it easier to find out what the type of a given account is.
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