The official Steam store page and Steam Support documentation specify that the game requires 64-bit versions of Windows 7, 8, or 10.
Some users search for "MSCB" hoping for a legacy version. No such official version exists. If your hardware is 32-bit, the only reliable way to play the game is to upgrade to a 64-bit operating system, provided your CPU supports it. Summary of Minimum Requirements my summer car 32 bit