For Map Editor:
(https://www.gta5-mods.com/scripts/map-editor)
1) Extract the file „Custom Map Pack [Build X.X.XX]“
2) Pack the XML files in the main folder of Grand Theft Auto V
3) Start Grand Theft Auto V
4) Press F7 and load the map, have fun with it
For Menyoo:
(https://www.gta5-mods.com/scripts/menyoo-pc-sp)
1) Extract the file „Custom Map Pack [Build X.X.XX]“
2) Pack the XML files in the Spooner folder (GTA-V main directory-> MenyooStuff-> Spooner)
3) Start Grand Theft Auto V
4) Start Menyoo with F8 and select Object Spooner -> Manage Savage Files and load the map