A Microsoft account, formerly known as a Windows LIVE ID, is a combination of an email address and password that you use to sign in to Microsoft services such as Xbox LIVE, Hotmail, and Messenger.
If you use an email address and password to sign in to these or other Microsoft services, you already have a Microsoft account.
Note You may sometimes see Windows Live ID used instead of Microsoft account. These services and websites will be updated soon to reflect the change from Windows Live ID to Microsoft account.
How can I manage the security info for my Microsoft account? (Note Requires sign-in to your Microsoft account)
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