Please wait for this tutorial, it will be ready soon
If you're not able to make an Amiga working, you can download this ready to use winuae to show the demos
It works on windows XP SP2
Unzip, Launch the exe file, load the A500 or A1200 configuration, load a floppy in ADF format (unzip ADZ files to have the ADF) and run the emulator
the link is here
www.adzone.fr.st is made by Zone