: Use the Nucleus Co-op app and download the specific game handler for Star Wars: Battlefront II (Classic 2005) .
On Player 2’s (and 3/4's) screen, navigate to > LAN > Join .
While one player can use a keyboard, it is generally easier to use two XInput-compatible controllers (like Xbox One or Series X/S controllers).
While the original PC version of Star Wars: Battlefront II (2005) does not natively support split-screen, you can enable it using third-party tools. Recommended Tool: Nucleus Co-op
like Instant Action or Galactic Conquest. Attempting to use it in online matches will cause the game to crash. Quick Installation Guide (Nucleus Co-op) : Get the latest version of Nucleus Co-op and extract it to a dedicated folder.