Since this file naming convention is common on third-party sites:
.part1.rar indicates it is the first piece of a multi-part compressed folder. Important Instructions for Split Archives To use this file, you generally need to follow these steps: BONELAB.v25.01.2023.part1.rar
Likely the update released around January 25, 2023. Since this file naming convention is common on
You must have every part (e.g., part1, part2, part3) in the same folder before extracting. BONELAB.v25.01.2023.part1.rar