From the Home screen, tap the right arrow or swipe to the right
Scroll down and tap Settings.
Tap email + accounts.
Tap add an account.
Tap advanced setup.
Enter your complete email address:
Enter your email password
Tap Internet email.
Enter the following:
Tap advanced settings
Make sure the following check boxes are checked:
Choose a frequency at which to download your emails from Download new content and how far back your phone will store your emails from Download email from.
Tap sign in
Note: your email will start to download to your device.
If you go back to the Home screen, you will see a new Live Tile with your new Email account.
When you receive messages, the number of new messages will appear next to the letter icon.