Heres news of a release of a Sega Saturn Emulator for Windows that is in its early days but still plays some commercial games:

Nova v0.1.7 is released. Nova is a Sega Saturn Emulator(SS Emulator) for Windows. Nova is capable to run several commercial games, but it's still in its early stage.

Features:
1.automatically select regions.
2.automatically select cartridge types by editing cart.json.
3.automatically save backup memory.

Nova doesn't support:
1.save/load states
2.run games via a CD drive

Nova Changelog:
– VDP2: Added byte access of cycle pattern registers(Sengoku Blade).
– SCSP: Implemented a new algorithm for MIBUF and MOBUF of MIDI.
– SCSP: Implemented cancellation of MIDI input/output interrupts.
– MISC: Added command FLAGS for the CUE parser.
– SCSP: Refactored INTC.
– VDP2: Fixed VRESO bits of TVMD register when its value is 2 or 3.
– VDP2: Fixed a bug of sprite shadow(Suiko Enbu).
– CDB: Fixed the pickup reset of CdPlay command, Steam-Heart’s plays BGM properly now.
– MISC: Fixed the wrong file offset of the CUE parser(single BIN).

download https://twitter.com/realSteveKwok/

via http://www.emucr.com/2017/12/nova-v017.html