Installing a Stainless Steel Polished Glass Door Pull Handle can be a bit tricky, but with the right tools and following these steps, it can be done easily:

1. First, make sure that you have all the necessary tools and materials, including the handle itself, screws, drill, drill bits, screwdriver, level, measuring tape, and a pencil.

2. Measure the distance between the two pre-drilled holes on the door, and mark the location of the holes for the handle on the opposite side of the door using a pencil.
   

3. Use a drill to create pilot holes for the screws, making sure that the holes are slightly smaller than the screws themselves.

4. Insert the screws into the holes on the back of the handle, leaving a small portion of the screw exposed.

5. Align the handle with the holes on the door, and gently screw the exposed portion of the screws into the pilot holes that you drilled earlier.

6. Once the screws are tightened, use a level to ensure that the handle is straight.

7. Test the handle by pulling the door open and shut several times to ensure that it is secure.

8. If necessary, use a screwdriver to adjust the screws for a tighter fit.

9. Finally, wipe down the handle with a damp cloth to remove any dust or debris.

Following these steps should ensure that your Stainless Steel Polished Glass Door Pull Handle is installed securely and functions properly.