: Be cautious when downloading .rar files from unofficial sources. Official versions are best obtained through the official Factorio site or Steam .

: If any part is missing, the extraction will fail with a "volume missing" or "checksum" error. 2. Extraction Software

A split RAR archive cannot be opened with only one part. You must ensure that , part2.rar , and any subsequent parts are in the same folder as part3.rar .

The number likely refers to the internal build version. Based on recent Factorio version history , this build corresponds to updates within the 2.0.x branch (specifically version 2.0.23 released in late 2024).

Use a modern archive manager that supports the RAR5 format, as newer builds often use this compression. : WinRAR (Native support for .rar files). 7-Zip (Open-source alternative).