Jr.east.train.simulator.v2023.01.05.zip...: Fiи™ier:

For the most up-to-date and secure version, it is recommended to use the official distribution via the JR EAST Train Simulator Steam Page. JR EAST Train Simulator on Steam

: Users of this software on Steam have occasionally reported false-positive virus detections (e.g., Trojan:Script/Wacatac.H!ml ) from Windows Defender, which were typically resolved by updating virus definitions.

: Models such as the E233 series electric train and the KiHa 110 series diesel locomotive.

This specific version dates from shortly before the official "full" release update in early 2023. At this stage, the base game typically included: