Once the base package is working, you can add dozens of liveries:

The TDS MAX 8 bridges the gap between accessibility and realism. While optimized for performance, this base package offers a detailed visual model and a highly functional cockpit that allows simmers to manage complex flight profiles without the steep learning curve of a full "study-level" simulation.

However, the TDS team and third-party tweakers have refined the .air file to offer:

Tenkuu Developers Studio (TDS) Boeing 737 MAX 8 base package Flight Simulator X (FSX)