If you cannot find a stable 8-player map, the best solution is to convert a stable 4-player or 6-player map yourself using the Zero Hour World Builder.
The "Clone and Expand" Method:
Zero Hour cannot see more than 2GB of RAM by default. You need to force it to use 4GB. command and conquer generals zero hour maps 8 player work
Command & Conquer: Generals — Zero Hour (ZG) is an expansion pack for the real-time strategy game Command & Conquer: Generals. Creating or running 8-player maps for Zero Hour involves map design principles, engine limitations, multiplayer balance, technical requirements for hosting and play, and community practices. Below is a structured, detailed, and actionable discourse covering design, implementation, testing, distribution, and advanced topics. If you cannot find a stable 8-player map,