Mix the flour, garlic, salt and pepper in a flat dish or plate.
Dredge the steak in the flour mixture and set aside
Set the instant pot to saute and add the oil and butter. Working in batches brown the steak and remove to a bowl.
Add the onion to the instant pot and cook stirring regularly for about 5 minutes.
Add the mushrooms to the onions and cook until they release their liquid.
Add the red wine to the instant pot and deglaze the pot.
Add the beef broth and steak to the instant pot. Cook at high pressure for 14 minutes.
Allow pressure to release naturally for 10 minutes and then release the pressure.
While pressure is releasing, bring the water for the egg noodles to a boil and cook as directed on the package.
Once the pressure has been released, add the cream cheese and stir until completely combined. Add the sour cream and heavy cream, stir well.
Add the Worcestershire sauce and season to taste.
To serve garnish the stroganoff with fresh parsley.