There are 4 basic steps, for full instructions visit our handy guide
Step 1: Establish a horizontal (or vertical) reference line for the planks
Step 2: Align the plank to the reference line and affix to the drywall with brad nails and adhesive
Step 3: Repeat step 2 until you reach the edge of the wall
Step 4: Trim final boards to the edges of the wall
View video instructions: