Many players wonder how they can have extreme graphics (ultra realistic) in Minecraft 1.17.1/1.16.5; the answer is a lot simpler than you think, Minecraft Shader Packs; they can be easily downloaded and installed from the Optifine. Installing Shaders for ultra realistic graphics Upgrade your Minecraft to 1.17.1/1.16.5. Download and install Optifine. Download the shader pack of your choice here. Open your minecraft using the Optifine profile. Go in "Options". "Video Settings". "Shaders". "Shaders Folder". A folder will be opened, here you paste all the shaders that you have downloaded, then close the folder. You will see a list of all the shaders you have, choose one and press "Done" Create a world, and you will see something like this.