For a visual walkthrough of the original Caesar gameplay and mechanics, check out this guide:
This is the most reliable modern source for a legal, DRM-free version that is pre-configured to run on current Windows versions. You can find it on the Caesar GOG page . Download Caesar PC Game 1993
The game uses a dual-mode mouse system; you may need to right-click twice to deselect an item or unhighlight a building. For a visual walkthrough of the original Caesar