Does anyone know how (or if it is possible) to run Populous 3 in windowed mode in Win 7? Many thanks in advance.

There isn't a simple solution, but I've heard from one player a way of doing it for hardware mode:
http://www.fileplanet.com/198137/190000/fileinfo/D3DWindower-English-version

Also I guess the original language on the GUI is japanese or something, so here's a small instruction:

1.) Exctract the folder with WinRar.
2.) Browse to the main directory of the game that you want to play in windowed mode.
3.) Copy the "D3dHook.dll" into the folder that contains the game .exe.
4.) Start D3DWindower, click on the "+" button and browse to the game .exe... Once the game .exe is in the list highlight it (left-click).
5.) If you need/want to set some extra options click on the button with the icon that shows some yellow folder and a small hammer. This will open a menu where you can set some stuff such as the size of the winow and command line parameters.
6.) Now click on the button with the icon that looks like a small computer and the game should start in windowed mode...

Thanks very much, IncaWarrior - I'll give this a go!

its not working for me it always goes right into fullscreen mode... tried this one two --> http://www.youtube.com/watch?v=J4hPu-lXqiw