Place potatoes, sausage, onion, 3 tsp Old Bay seasoning, and hot sauce into Instant Pot. Stir well until combined. Top with corn and beer
Manual setting; high pressure; set 5 minutes.
When finished, quick release pressure
Add shrimp
Manual setting; high pressure; set 1 minute
When finished, quick release pressure
Melt butter in small skillet; stir in garlic and remaining 1 tsp Old Bay seasoning about 2 minutes