Windows® 10 - Sign In Without a Microsoft® Account
If your device isn't running Windows 10, refer to the Windows 8 instructions.
From the Home screen, navigate: Settings icon (located in the lower-left) > Accounts.
If the Windows Settings options are not visible, tap or click the Settings Home icon (located in the upper-left) to go to the Settings home page.
Utilize the touchscreen (if available) or mouse to select on-screen options.
From the "Your account" screen, tap or click Sign in with a local account instead (located above "Create your picture").
If presented, enter password of current user.
Enter the desired info into the following fields then tap click Next (located in the lower-right):
The Password fields are optional. If left blank, a password is not needed to access the device.