Step 1: Plug in the Xbee
Make sure the module's pointy end is lined up with the edge of the board.
If you are using the shield for wireless data transfer, you will need two or more of them.
Step 3: Features
It also boasts a micro SD socket. This can easily be interfaced with the Arduino SD library. Unfortunately, this library does not come bundled with the Arduino development environment, so you will have to set it up yourself.
The shield also boasts a perfboard grid for prototyping your own circuit, and a micro switch for toggling between the USB port and micro SD port.
For more technical information visit its official Arduino page.
Step 4: Program the receiver
Upload the following code: