Summarize the following:
The 24" x 36"  (60 cm by 90 cm) board should be on top.   Cut a piece of black mesh fabric to cover the inside of the bottom board. Staple the fabric to the board by stapling along the perimeter of the fabric. The fabric will prevent the worms from leaving the box while still allowing them to breathe. Cover the top of the board with black mesh fabric, and staple the fabric into place. This board is the lid for your worm bed, and you can set it aside for the moment. Avoid using glossy magazine paper, which is toxic to worms. Spray the bedding with water so that it is damp but not dripping wet. Ideally, the worm bin bedding should be at about 80% moisture.

Summary:
Turn the box upside-down. Drill at least 10 holes into the 24" x 36" board. Cut a piece of black mesh fabric to cover the inside of the bottom board. Turn the box right-side up again. Place the mesh fabric inside against the bottom board. Drill at least 10 holes into the remaining 24" x 36" (60 cm by 90 cm) board. Cut or tear newspaper into 1" (2.5 cm) strips for the worm bedding. Place the torn newsprint into the worm bed box. Add some dirt and peat moss so that the worms can burrow and dig.