Your computer may be XP, which is not compatible with English 3. Although some people can play it, my computer will prompt a problem after playing for a while. If it is XP, you need to find the file first. folder, there is a file called Heroes3.exe, right-click it, click Properties at the bottom, select compatibility in the pop-up dialog box, check "Run this program in compatibility mode", and then select WIN98/WINME, like this That's it.