Step 1 - Download
ReShade
Step 2 - Run the installation and click on "Click here to select a game and manage its ReShade installation"
Step 3 - select Horizon Zero Dawn

Step 4 - Press on the Direct 3D 10/11/12

Step 5 - Install SweetFX by CeeJay.dk, qUINT by Marty McFly, Color effects by Prod80 and AstrayFX by BlueSkyDefender.

Step 6 - Installation is completed and you can exit the application

Step 7- Download the Natural Clover ReShade and copy paste the files into your Horizon Zero Dawn Folder directly
Step 8 - Run The Game and you can Open the ReShade Menu with Home / pos1 key
p.s you can enable or disable Border with NUM1 as shortcut