How do you properly tape a drywall corner for a seamless finish?

To properly tape a drywall corner for a seamless finish, first apply a thin layer of joint compound to the corner. Then, place paper or fiberglass mesh tape over the corner and press it into the compound. Smooth out any air bubbles or wrinkles. Apply a second layer of compound over the tape, feathering out the edges. Let it dry, sand lightly, and repeat with additional layers until the corner is smooth and seamless.