A game would crash on your system if its requirements are not matching your configuration. You can check the system requirements to play DOOM Eternal, and see if it's compatible with your system. Other than that, the game can crash because of corrupted system files. If that's the case, then you can see the solutions mentioned here to resolve the issue. You should also make sure that your Graphics Drivers are up-to-date, otherwise, any graphic-intensive game would crash on your system.