The picture below is for your reference. Choose suitable accessories and thump them into the wall.
Wall hooks and seamless nails are for small size artworks and 3 installation methods are provided.
Gradienter, rubber plugs and screws are for larger size artworks. As indicated in the picture, find the marks before installation.
Step 1: Drill holes on the wall;
Step 2: Make sure the rubber plugs are inserted into the wall completely;
Step 3: Screw the screws into the rubber plugs.