Looks like a heavily modded version of skyrim.
29 mods you should download for Skyrim Special Edition on Xbox One, PS4 and PC | GamesRadar+
What’s your favorite Skyrim mod ?
If you are waiting for Skyrim 2 you can try this total conversion mod for Skyrim>>> Wtf is Skyrim It'd be the next Elder Scrolls game
Skyrim with 100 mods holy crap o.
20 Best Skyrim Mods (So Far)