You can go to the Windows Phone Store by visiting http://www.windowsphone.com/en-in/store. Like any virtual store, the Windows Phone Store is where all the published apps are put up for sale. Shortly after we upload our game and it gets approved, you can come and check it out right here. You can obviously browse through the store and download free apps. To download apps on to your device, you will have to register using your Windows password and give some basic details so that the store can locate your phone and download the app/game to your device.
In the Apps+Games tab, there are four tabs that you can navigate through: Spotlight, Apps, Games, and Purchase History. They are explained as follows: