Patch 1.06 is the latest patch for the retail floppy version. The CD version and the freeware floppy version are already fully patched.
When installing the game under DOSBox, the guide provided by Bethesda recommends SoundBlaster 16 for the music and sound emulation. This provides faithful, but worse musical-quality. For increased musical quality, the Soundcard settings must match these:
SOUND: Sound Blaster or SB16 (or compatible) - I0:220 IRQ:7 DMA:1
MUSIC: General Midi or MPU-401 - I0:330 IRQ:2 DMA:1
OpenTESArena is an early developed user-made port of the game based on SDL2 which supports Linux and Windows. However, the software must be compiled for now and the instructions & requirements are available.