DESCRIPTION

USING TWRP:

Steps you have to follow:

1) Flash SuperSu (SR1-SuperSU-v2.78-SR1-20160915123031.zip)

2) Flash Grorkmod (grorkmod_v1.0.zip)

3) Flash Xposed Framework (xposed-v86-sdk23-arm64.zip)

4) Reboot your device.

5) Install the Xposed Installer (XposedInstaller_3.0_alpha4.apk)

Now you can install any module you want. 

※Please make a backup of your device before installing or updating ROM