Applies to Windows 10
Sign in to the Your information page on the Microsoft account website.
Under your name, select Edit name. If there’s no name listed yet, select Add name.
Edit or add the name you want, then select Save. Your Microsoft account name will start to appear or change everywhere you use it.
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Get help with the most common problems that other people have had with Windows 10.
Check whether your question has already been answered in the Microsoft forums, or post a new question.
Whether you're brand new or just want a refresh, get info on the basics of Windows 10.