The settlement in "Civilization 7" is a very important thing in the game. If you want to modify the settlement limit, you can first find a specific file, open the game root directory, and search according to the following path: Sid Meier's Civilization VII 》Base 》 modules 》age-antiquity.
How to change the upper limit of civilized settlements
If you want to modify the settlement limit, you can first open the game root directory and then follow the following path to find it: Sid Meier's Civilization VII 》Base 》modules 》age-antiquity.
Then find the progression-trees-tech-gameeffects file in this folder and open it with text. Find the fifth line and modify the number inside.