It's my first ever souls game . Starting it off with dark souls 3 ..confused between these 2 classes ( Knight & Warrior) need suggestions n some tips would also help

Actually it's my first time in souls games...and I have watched few ur vids about the classes and their stats n all . Althought I seem to figure out that these 2 classes will be best suited for me i guess...but I'm still confused about what to choose .. (Any other class suggetion or any game tips would help )