Creating a local user account is completely different in Windows 10 than previous operating systems. I’ll walk you thru on creating a local user account Windows 10
Go to Start then Settings.
Here select Accounts
From the left pane select Family & other users then on the right under other users select add someone else to this PC.
In the How will this person sign in? window click on “The person I want to add doesn’t have an email address” link.
Under Let’s create your account, click on “Add a user without a Microsoft account” link
Now enter in the user’s name, password, and password hint, and click Next to finish creating a local user account in Windows 10.