how to smoothen the edges on my MetaHuman!

I’m facing with the jagged edges on my MetaHuman.

How to resolve this issue?

Screenshot 2023-09-05 130635

And also when I run it, the char eyebrow and the hair near the forehead has a lot of noisy texture, It doesn’t look natural!.

How to make it look more realistic?

MetaHuman is in highest quality.

Screenshot 2023-09-06 125345