Put ½ cup salsa in the instant pot. Then add chicken breasts on top of the salsa.
Sprinkle taco seasoning over chicken and salsa.
Add remaining salsa to the instant pot and seal the instant pot to the sealing sealing position.
Pressure cook for 15 minutes. When finished, allow instant pot to natural release for 10 minutes.
Remove the chicken to a plate and shred using two forks.
Return the shredded chicken to the pot and stir with remaining salsa/liquid.
Serve with your favorite tacos toppings!