The file appears to be an unofficial update or "crack" file for PC Building Simulator 2 (PCBS2) . While there is no official record of this specific file from the game's developers, the naming convention suggests it targets version 1.0.0.23 of the game. File Context & Risks
The official game has progressed far beyond the v1.0.0.x branch, with Update 1.15 being the latest major release as of March 2026. sc23565-PCBS2Upd10023.rar
Originally exclusive to PC, the game launched on PlayStation 5 and Xbox Series X|S on February 26, 2026. The file appears to be an unofficial update