How does Age of Empires II: Definitive Edition differ from the original game?

A. Age of Empires II: Definitive Edition features improved graphics, remastered audio, new campaigns, civilizations, and quality-of-life enhancements. It also includes previously released expansions, providing a more comprehensive and visually appealing experience compared to the original. The Multiplayer is server sided meaning you can play with mobile internet and without any port forwarding.