Sign in using your Microsoft account to access Xbox LIVE, Windows Phone Store, and more.
Tap the Start icon or Windows button.
To sign in to your Microsoft account, tap Settings.
Tap Accounts.
Scroll to and tap Add a Microsoft account.
Enter you Email or phone and Password, then tap Sign in.
The account is now ready for use. Note: To view and edit the account settings, swipe in from the right side of the screen and then tap Settings > Change PC Settings > Accounts > Sign-in options.