How to root s7(930t) and install lineage os

[fahad]

Hi,I bought my first smartphone s7.I am using it outside of USA which mean its network unlocked.As i am first time user of android i dont know much about this root process and installing lineage os.I want get rid of blotware software and install rooted games and software.So please answer my following questions:
1)How can i root my samsung s7 t mobile which is in nougat version?safely process i am looking for.
2)How can i install Lineage OS?

Thanks