this is a zip that includes a .blend file and the texture for the terrain
to open the terrain texture select the terrain go to the material tab click new hit the circule beside the base color hit image texture the hit open locate to the overlay.002 image then hit open image and your done
enviroment textures you could use : https://www.mediafire.com/file/5mf8ldfs50vsx14/BPS_Environment_Textures.zip/file
if you have any problems contact me at : basharzraiqat26@gmail.com