The 2nd image is just the standard Sierra DOS SCI install screen. You just need to hit “Enter” to progress through to the next screen. Changing your resolutions will not help with any DOS games as they will control the display. Help with the Windows version of KQ6 can be found here:
http://community.vugames.com/WebX?14@130.9z9mdpbJ2pU.2@.f00b588