BACK UP FILES BEFORE YOU REPLACE/EDIT. etc.

For Music Intro: (The music intro is Optional)

1. OpenIV
2. Go to GTA V/x64/audio/sfx/PROLOGUE.rpf./
3. Edit mode click yes click on new tab - Import OpenFormats - add the file td_loading_music.oac click ok

(The music intro is Optional)

For New Loading Screen:

1. OpenIV (enable Edit Mode When Replacing Files)
2. Go to GTA V/update/update.rpf/x64/data/cdimages/scaleform_platform_pc.rpf
3. Click Edit mode click yes Replace ytd files.
4. Replace the files with what you downloaded from the folder (NewLoadingScreens)(17 files)
5. For loadingscreen_startup go to GTA V/update/update.rpf/x64/data/cdimages/scaleform_frontend.rpf
6. Replace loadingscreen_startup.ytd

V2: edited images (contour,position,etc.) + loadingscreen_startup

I wanted to keep some of the original files in the same time to add some mix between Gta 4, Gta 5.

Music : Skitso-Dream
edited by me.
thx to Skitso for the music , is a Very good guy, support him
https://soundcloud.com/skitsoisi
https://twitter.com/Skitsoisi