A recent launch by Xiaomi, Redmi 6 Pro now has an official TWRP recovery available.
You can download TWRP Recovery for Redmi 6 Pro from the link given below to customize your Android smartphone in accordance with your need. Though installing TWRP is just a first step, and you will need to download the custom ROMs and mods (like xposed modules) separately to customize your device to the limit.
Note that neither TeamWin nor we take responsibility for any software or hardware damage that may occur while using or installing TWRP. So, be sure of what you’re getting into, as you cannot blame anyone but yourself if your brand new Redmi 6 Pro crashes — not that it will.