ZUSI 3 - Aerosoft Edition is a game produced by Carsten Hölscher and published by Aerosoft GmbH in 2019. Zusi 3 Aerosoft Edition is a train simulation for PCs, the professional version of which is also being used in railway companies for engine driver training purposes.
The system requirements are light; almost any modern laptops will work for playing Z3A.
Every new laptop covers the RAM requirement of 2gb.
Take account that at least 3gb of disk space is needed.