This is the original. Go to the rise of nations\data folder and look for the rules.xml file. The original version is usually used to impersonate Empire 4.

This is an extension. Go to the rise of nations \ thrones and patriots \ data folder and look for the rules.xml file.

Open it in Notepad and look for it.

Entry0="25 ",that is, the population ceiling of the first era, and so on. Then change the number yourself, as many as you want.

Look for it after it's over.

& lt category id= "pop-up menu" title= "population:" >.

& lt category name ="50 ">

& lt data & gt50 & lt/DATA & gt；;

& lt/CATEGORY & gt；

& lt category name ="75 ">

& lt data & gt75 & lt/DATA & gt；;

& lt/CATEGORY & gt；

& lt category name =" 100 ">

& lt data & gt100 < /DATA & gt；

& lt/CATEGORY & gt；

& lt category name =" 125 ">

& lt data & gt125</data >

& lt/CATEGORY & gt；

& lt category name =" 150 ">

& lt data & gt150</data >

& lt/CATEGORY & gt；

& lt category name ="200 ">

& lt data & gt200 & lt/DATA & gt；;

This is the display description corresponding to the actual population ceiling, which changes with reference to the previous changes. It doesn't matter if you don't change it, but there will be a situation where the actual population ceiling does not match the displayed population ceiling. The game is based on the actual population ceiling.