Step Installation
Fariqul Qanun>Use Any Twrp/Orangefox do u want (But Recomended use Twrp By @dblenk9)
>Format Data
>Wipe Data (Dalvik, Metadata, Data)
>Install Rom
>Reboot System
>DONE
For Review and Tutorial Installation u can watch in my channel
https://www.youtube.com/watch?v=vRJPdMay3uY&feature=youtu.be