: Avoid installing in C:\Program Files (x86) as Windows protection can block the game from saving your progress. A folder like C:\Games\CMR2005 is recommended.
To set up from a .zip file (likely the "pre-installed" or abandonware version), follow this guide to ensure it runs correctly on modern Windows systems. 1. Extraction & Installation
Modern versions of Windows (10/11) require specific compatibility tweaks to launch the game: