Before risking your PC's health for a cracked copy, you should understand the actual state of the game. KartKraft has had a notoriously rocky development history: KartKraft - Steam Community

KartKraft is widely regarded as one of the most realistic karting simulators ever developed. Because it offers such high-fidelity physics and laser-scanned tracks, many enthusiasts search for ways to access the game for free. However, searching for a KartKraft crack carries significant risks and often leads to a suboptimal experience. The Reality of KartKraft Cracks

Force malicious extensions onto your PC, stealing saved passwords and autofill data. 3. The True State of KartKraft (Is it worth cracking?)