You can change the ‘User Name’ that you use to login to Windows 10, both for Local User Account and also for Microsoft User Account on your computer.
In the case of Local User Accounts, you can change the User Name of any Local account on your computer by going to the User Accounts section in Control Panel.
If you are using a Microsoft Account, the change in User Name can be done by going to ‘Email & Accounts’ tab in the Settings screen on your computer.
1. Change Local User Account Name in Windows 10
You can change the Name of your Local User Account by following the steps.
1. Right-click on Start button and click on Run.
2. In the Run Command Window, type control panel and click on OK.
3. On the Control Panel screen, make sure you are in “Category” view and click on User Accounts.
4. Next, click on Change your account name link.
5. On the next screen, type your New User Account Name and click on Change Name button.
The next time you login to your computer, you will see your New User Name.
2. Change Microsoft User Account Name in Windows 10
In case of Microsoft Account, the User Name is pulled from your online profile and you can change this by going to account.microsoft.com or by following the steps below.
1. Open Settings > click on Accounts Icon.
2. On the Accounts screen, click on Email and Accounts tab in the left-pane. In the right-pane, click on Manage my Microsoft Account link.
This will open the web browser on your computer and load your Microsoft Account Profile.
3. From the next screen, navigate to the Accounts Page and click on Edit Name option, located next to your Name.
4. On the next screen, you will be able to change your First Name and Last Name and click on Save.
5. Restart your computer to see if the changes that you have made have synced back to your computer.
The next time you login to your computer using Microsoft Account, you should be able to see your New Name.
If you do not see the change, you may have to wait for a few hours for the changes to sync to your computer.
Also, you need to be aware that changes to your First and Last Name will also be reflected in your online ID and your Microsoft Email Account.