windows phone 8 how real test

My computer configuration OK WIN8
development software VS2012 also OK,
I have a WP8 phone (lumia920)
now have a program is OK

The last remaining question is, how to use debugging, connect the real machine .

demand greatly enlighten.
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need the money , the other did not ask

or require students to mail
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WP developers need to account for the Lumia 920 to unlock , unlock and then make a Debug it.
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praise , Moderator positive solution .
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apply this developer account how ah ? What are the requirements need to do ?
Also how to unlock. . . . ?