Brown your ground beef in the instant pot on the saute setting.
When your meat is brown, drain and rinse if needed.
Add your other ingredients except your 1/3 less fat cheese and toppings.
Lock the top in place and make sure your valve is in the closed position.
Cook the soup on the soup setting for 6 minutes. Allow to do a natural release for 7 minutes and then carefully move the valve to open/release.
Add the cream cheese and allow to sit for a few minutes and stir. When the cream cheese is melted, ladle the soup into bowls and top with desired toppings.