Prep all the veggies, including the celery, carrots, onion, garlic, and potatoes.
Add all the chopped and frozen veggies to the Instant Pot.
Add the beef broth to the Instant Pot.
At this point, you can give it all a good stir.
Put the lid on the Instant Pot and secure in place.
Set to "Soup" for 30 minutes, and let it do its thing.
Once the soup has fully cooked and the valve has naturally released, the soup should be ready to serve.