File: Jr.east.train.simulator.v2023.01.05.zip ... May 2026

The version string in your post, v2023.01.05 , corresponds to a period after the game's initial Early Access launch in late 2022. If you are looking for information about this specific software, here are the key details:

Approximately 60 GB of available space; an SSD is highly recommended. Available Content File: JR.EAST.Train.Simulator.v2023.01.05.zip ...

Official downloads and updates are typically managed through the JR EAST Train Simulator Steam page . Are you having this specific version, or The version string in your post, v2023