Out of the Park Baseball 21 is an indie game developed and distributed by Out of the Park Developments in LL. Officially licensed by MLB, MiLB, and the MLBPA, Out of the Park Baseball 21 is a strategy & sports gaming fan’s dream come true and the only game ever to win Metacritic PC Game of the Year Award TWICE. OOTP 21 - Twenty One Years of Excellence!
System requirements for desktop computers as stated by the developer. Updated on July 8, 2020.
The system requirements are modest, but it's recommended to have a dedicated graphics processing unit for successfully running OotPB21. GeForce GT 650M or better mobile GPU is needed.
The RAM requirement of 4gb is easily met, but 2gb is enough to meet the minimum requirements.
Also, note that at least 3gb of storage space is required.