As a good pump in the game? (The Surge)

(I am just new as in genres and in the game)
advise your tips to make life easier!
I have a lynx only in parts they need to assemble 1,2,3,4 level...
Weapons also need to collect the parts and where to find 2,3,4,5 level for new improvements?
in short there is what is the robot got me quickly blows I CP max 189 like