Question [Q] rooting mi1 questions with safestrap

hey guys this isn't my first rodeo however it is with safestrap and all this crap so i just got a replacemtn s4 from verizon running mi1 downloading the de la vega root tool currently taking a lot longer than expected so here is my goal, root got that part covered seems pretty self explainatory what i want to do is install safestrap or somehting to flash roms my plan is for now to be stock rooted... 4.3 and eventually flash other tw roms from what i understand that is all that can be installed using s.s. i have searched and search and cannot find any safestrap threads with info on how to's do's and don'ts so if someone can leand me a helping hand that would be fantastic sorry for the poor english i just work up and am too lazy to fix things atm