Here are the Mortal Kombat 11 System Requirements (Minimum)
CPU: Intel Core i5-750, 2.66 GHz / AMD Phenom II X4 965, 3.4 GHz or AMD Ryzen™ 3 1200, 3.1 GHz
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: NVIDIA® GeForce™ GTX 670 or NVIDIA® GeForce™ GTX 1050 / AMD® Radeon™ HD 7950 or AMD® Radeon™ R9 270
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: 64-bit Windows 7 / Windows 10

Mortal Kombat 11 Recommended Requirements
CPU: Intel Core i3-2100, 3.10 GHz / AMD FX-6300, 3.5 GHz or AMD Ryzen™ 5 1400, 3.2 GHz
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: NVIDIA® GeForce™ GTX 780 or NVIDIA® GeForce™ GTX 1060-6GB / AMD® Radeon™ R9 290 or RX 570
DEDICATED VIDEO RAM: 3072 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: 64-bit Windows 7 / Windows 10