When you switch on your phone for the first time, you’ll be asked to set it up.
Just follow the onscreen instructions and you’ll be up and running in no time.
On the
Keep your life in sync screen, be sure to sign in with your
Microsoft® account so you can use services such as
Windows® Store,
SkyDrive®, and more. If you don't have a
Microsoft account, tap
create one and follow the onscreen instructions.
Tip: You can also create a
Microsoft account from your computer by going to
signup.live.com.