Perform the following steps to submit the application:
The first thing that we need to do to submit the app is create a developer account at http://developer.windowsphone.com.
Once that is done, go to https://dev.windowsphone.com/join to buy the developer subscription. There is a onetime fee of $19 to register as an individual app developer.
Follow the steps mentioned at https://dev.windowsphone.com/register to make the payment and get a developer subscription.
To test your application on a Windows Phone device, your phone needs to be registered at the developer centre and unlocked using the developer unlock tool.
Once you have a valid subscription, submit the application, and then you will see a screen similar to the one shown here. Just follow the steps to submit the application. Some of the steps may be optional depending on the type of application and whether it's a free app or not.
Before you submit the app to the store, go through the instructions...