Windows 10 doesn’t make it easy or obvious to add a user with a local account, but all it really takes is looking for the fine print.
By default, the account you create when you first install or upgrade to Windows 10 uses your Microsoft account.
Microsoft wants you to do this so you can easily hook into all of Microsoft’s online services, such as the Windows Store and OneDrive. But if you would prefer to keep your account on the desktop, at least as much as possible or don’t want another member of your family interacting with Microsoft’s cloud, then creating a local account would be the better choice.
Follow these steps to create a local user account:
While some of Microsoft’s cloud features are turned off by default with a local account, others are still active, including OneDrive, Wi-Fi Sense, and Cortana.