Find the screw hole at the bottom of the projector. 2. Take out the tripod stand for the projector. 3. Attach the stand on the projector, and it will be easier to put the projector upside down for this process. Here's the instruction photo. 4. You can also fix the projector to the ceiling in the same way. ETOE projector allows for Front Ceiling. Go to Settings>> Projection>> >>Projection Mode to choose Front Ceiling. Here's the instruction photo of setting the projection mode.You can also set it to other modes as you want.