Player model and voice change?

(not my vid)
I really like how smooth the game looks in the video can anyone help me with doing this to mine? I also want to figure out how to change my games voice files to Korean or Japanese do you guys know anything that could help me?

 

That's the no edge hackhere's how u change voices

 

If you want smoother textures, you will need to apply an anti-aliasing filter to the game through nvidia or AMD graphics settings.

 

O . o how do I get sheep patcher I tried searching it up but cant find it (sorry guys im lost)
how do you do it with windows 10?

 

nvm