This shield was designed to offer a breadboard inspired layout allowing easy transitions to permanent prototype.
Step 1: Check that you have everything
You should have:
1 X Printed Circuit Board
1 X 6 Way Stacking Header
2 X 8 Way Stacking Headers
1 X 10 Way Stacking Header
Step 2: Add the headers
The white writing should be on the top of the board.
Step 3: Solder the joints
Solder the header pins into place.