Can u mod halo 2 for PC?

so I was wondering if u were able to mod halo 2 for PC, because I’ve seen people on YouTube spawn ai on the computer. Is that true? Can I mod halo 2 and spawn in ai? Please let me know I just re bought a copy of halo 2 on my PC, so I was just wondering

You can, but discussing or sharing information about modded content isn’t allowed on Halo Waypoint