To use a fix like this, the general process involves the following steps:

: Run the game through the new executable provided in the fix. If successful, your Steam status should show you are playing "SpaceWar" while the actual game is running. Troubleshooting

: When prompted, choose to replace existing files with those from the fix.

: There are dedicated tools like Steam Online Fix Launcher (SOFL) to help manage these fixes on Linux systems. How to Repair Corrupt or Damage RAR/ZIP Files

: If you encounter errors while opening the file, WinRAR has a built-in "Repair archive" tool under the Tools menu.

: Many users recommend using a "throwaway" or alternative Steam account to avoid risks to your main account.