to install the full version of AoE under windows 2000: Click start --> run --> type in 'cmd'(without quotes)hit ok. A dos prompt window will appear. navigate to the CD-Rom drive (for example, type 'D:'{without quotes}) and then type 'setup /a' (without quotes). The installer should then start. You will have to specify the location to install to. (the default location is 'C:\Program Files\Microsoft Games')After you have specified the location, click on the "install" button. There will be no progress bar, but your computer will be installing the game. It will prompt you when you need to change cd's. the game should be able to run once the install is completed, however, keep in mind that you will not be able to play online with windows 2000 untill a 3rd party "patch" comes out.