Instead of risking a .rar file from a random site, you can find the game officially at:

While the graphics are from a previous era, the mechanical logic remains a great introduction for hobbyists. Safe Ways to Get the Game

Released by PlayWay S.A., this game laid the groundwork for the massive car repair simulation genre. It offers a detailed look at the inner workings of various vehicles, tasking players with diagnosing issues, ordering parts, and getting cars back on the road.

Offers a DRM-free version of the game, meaning you own the installer and don't need a client to run it. System Requirements

While it’s tempting to look for "free" or "top" cracked versions of older games, downloading them from unverified sources carries significant risks, including malware or corrupted files. The safest way to play this classic simulator is through official digital storefronts where it is often available for the price of a cup of coffee. About Car Mechanic Simulator 2014

You interact with hundreds of car parts, from brake pads to engine blocks.

You start with small repairs and work your way up to complex engine overhauls to grow your workshop's reputation.