While it is a great way to get more out of the Galaxy S4, rooting is risky. Make sure to back up all data before attempting a root. And remember, rooting is the best way to make your phone faster since you can get rid of all the unnecessary bloat ware that Samsung fills the phone with.  

Three Reasons to Upgrade Your Samsung Galaxy S4  Milk The Most Out of Your Android Device - 37Three Reasons to Upgrade Your Samsung Galaxy S4  Milk The Most Out of Your Android Device - 93Three Reasons to Upgrade Your Samsung Galaxy S4  Milk The Most Out of Your Android Device - 34Three Reasons to Upgrade Your Samsung Galaxy S4  Milk The Most Out of Your Android Device - 24Three Reasons to Upgrade Your Samsung Galaxy S4  Milk The Most Out of Your Android Device - 74