How to install Android 7.0 Nougat AOSP ROM on Xperia M4 Aqua dual (E2312, E2333, E2363)

According to XDA Member Lemon,Android 7.0 Nougat AOSP ROM is now Available for Sony Xperia M4 Aqua Dual [E2312,E2333,E2363].

Change logs
1st Nov:
-Initial Release

Bugs:

Camera not working(no connection)
External SD Card not detected
Screen lock not working
WIfi not working (crash after toggling)
Bluetooth not working
Sound not working.

Tips:

On first boot, or after rebooting device,turn your screen off, and left it for 2-3 mins to settle it down. After that use it,for better performance.
In developer option, change animator,window and transition scale to 0.6 or less than it. (No need to completely disable it).

Prerequisites:

This tutorial is only for installing Android 7.0 Nougat AOSP ROM is now Available for Sony Xperia M4 Aqua Dual E2312,E2333,E2363.Please do not try on any other Sony Xperia M4 Variants.
Sony PC Companion will NOT detect your phone after installing this ROM because it is a custom firmware.
Your phone should have a custom recovery installed in order to install this NanoROM ROM on your phone.
We will be using TWRP Recovery for this tutorial.
This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding.
Perform a Dalvik Cache wipe before proceeding for recovery mode.

Disclaimer:

AndroBliz should not be held responsible for any damage or harm you got in your device(BRICK) and please follow the procedure properly.

Important:

Ensure that you back up important files(store it In SD card) before proceeding with the below steps so that in case something goes wrong you'll be able to RESTORE your files.