Game is choppy. Can not play

Hello,
I logged back in after a couple of months to play the pre patch.
The game is now unplayable. Please Bliz, look into this. If anyone has any suggestions or understands why, Please let me know.
I am not running any mods.
Playing on:
CPU i9-13900K
Ram Skill rident Z5 96.0gb 6400 CL32-39-39-102
GPU ASUS ROG Strix LC 4090 24GB GDDR6X
Hard Samsung 990 PRO SSD
Monitor ASUS ROG Swift 32” 4K OLED
Thanks.
Lil.