Hi Thanks for the responses I have tried vitamin's way but it doesn't seem to work. i.e - To test I have added HKEY_CURRENT_USER\Software\Wine\AppDefaults\MaxPayne2.exe\Direct3D And added string value Multisampling enabled - this should allow me to enable antialiasing - but doesn't It does if I add the string value to the standard HKEY_CURRENT_USER\Software\Wine\Direct3D I am doing something wrong ? Also - for Martin Gregorie's idea - do I need to compile wine with new prefix or just launch wine with --prefix=/home/wine2 (for example)