Remove the microwave from the box and any interior plastic bags or packaging.
Tape the template included with your wall-mountable microwave to the wall, positioned where you want to install the unit. Drill holes where marked, and remove the template from the wall.
Secure the mounting plane, included with most units, to the wall and cabinets by lining up the drilled holes with the ones on the metal plane. Screws to support the microwave are included with most models.
Lift the microwave and hang it from the support tabs on the bottom side of the mounting plate. Let the power cord hang free from the microwave.
Bolt the microwave to the interior bottom cabinet as directed by the included instructions.
Plug the microwave into a wall outlet.