Age of Empires IV developers World's Edge and Relic Entertainment have unveiled a new 'Min Spec Mode'. It compromises the visual quality, resolution, and number of people you can play with at one time. The mode is tailor-made for users running older, less powerful PCs.
https://www.notebookcheck.net/Age-of-Empires-IV-s-Min-Spec-Mode-will-let-you-run-the-game-on-old-hardware.575311.0.html
Thankfully, AoE IV is very easy to run. Tested it on Intel Xe 80 and runs fine on 1080p low fluently. I only wish if the game wasn't so bloody expensive!!