Default help with rooting

soo got this from a friend and i would like to root but i have looked everywhere for permaroot but its all on different hboots, this one has hboot 0.89.0006 radio -26.13.04.19_M can somone point me in the right direction please? maybe i need to downgrade but im not sure where i would get the files.
"A man chooses, a slave obeys." - Andrew Ryan


Samsung Galaxy S4
Rom: Stock (4.2.2)

Rom: Cyanogemod 10.1.3 (4.2.2)
Asus Nexus 7
Rom: Stock (4.4.2) Broken Digitizer, any recommendations on amazon?
Chromecast
Rom: Stock