how to do the bench press exercise

Setup. Lie on the flat bench with your eyes under the bar. Lift your chest and squeeze your shoulder-blades. Feet flat on the floor.
Grab the bar. Put your pinky on the ring marks of your bar. Hold the bar in the base of your palm with a full grip and straight wrists

Unrack. Take a big breath and unrack the bar by straightening your arms. Move the bar over your shoulders with your elbows locked.
Lower the bar. Lower it to your mid-chest while tucking your elbows 75°. Keep your forearms vertical. Hold your breath at the bottom.
Press. Press the bar from your mid-chest to above your shoulders. Keep your butt on the bench. Lock your elbows at the top. Breathe.