DOS Games Discussion

My dosbox number is 0.74 i have opened DOSbox options - and in the typepda dox i have put mount c "c:\users\(username)\oldgames" c: after autoexec... i have unzipped the game folder contents into the oldgames folder inside a folder named 'megalomania' and another game into a folder called ...

I have windows vista home edition. I downloaded DOS game Mega lo Mania, and Cannon fodder. I installed DOSbox and followed instruction regarding mount. When i open the the folder and click the install.exe file it says 'THIS SYSTEM DOES NOT SUPPORT FULLSCREEN mode'. I don't know what else to do. If i...