<t> Thanks for the help. I went to that file you mentioned and initially it didn't work (double clicking, then nothing on screen but process is on).<br/>
Then in the compatibility tab of that file (Opart4.exe), i clicked on the option "Disable desktop composition".<br/>
<br/>
Now the game is ...

i wait several minutes (like 10) and still nothing.

<t> I installed normally. Double click on the shortcut on desktop. Got the initial Gui/Menu. click on "Play Game". seems to start running but nothing appears. In the Windows Task manager, I can see the process "Opart4.exe*32" being present. But nothing on screen. I have to kill the process. <br ...