In order for you to play R.B.I. Baseball 21 on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows 7, Windows 8.1, or Windows 10
Processor (CPU):
Intel® Core2 Duo E8400 / AMD Phenom II X2 550
Memory (RAM):
4 GB RAM
Graphics Card:
NVIDIA® GeForce® GTX 460/AMD® Radeon™ HD 6670
DirectX:
Version 10
Storage:
11 GB available space
Sound Card:
DirectX 9.0X compatible
In order to play R.B.I. Baseball 21 on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Windows 10 64-bit
Processor (CPU):
Intel Core i5 or AMD A10 7870K
Memory (RAM):
8 MB RAM
Graphics Card:
NVIDIA® GeForce® GTX 760/AMD® Radeon™ R9 200 Series
DirectX:
Version 12
Storage:
11 GB available space
Sound Card:
DirectX 9.0X compatible