Place the frame face down on a flat, protected surface.
Remove the thin steel bars from the back board of the frame, and then slide the back board from the frame. (Figure 1)
Position your image in the mat window opening. Optional: Secure image with tape to keep it from shifting.
Insert the backing board into the frame.
Hammer the nail 3/4 of the way into desired wall location and hang frame so it's flush against the wall, positioning frame on built-in notch for extra stability.