Step 2: Transfer the downloaded shader to the shaderpack folder located within the game's application data folder. Step 3: Launch the Forge installation and navigate to the video settings.

Shaders are arguably one of the best visual mods for Minecraft. Even though Minecraft was released over a decade ago, shaders can still make it look like a modern-day AAA title.

Here is a step-by-step comprehensive guide on how you can download, install, and use the shaders within Minecraft 1.21.5 to ensure the best visual experience.

For Iris Shaders (for modern visuals and fabric users), go to the Iris Shaders page— https://irisshaders.net, download the Fabric version for 1.21.5, and then install it using the Fabric mod loader.