Once your shader loader (such as Iris or OptiFine) and the shader archive are placed in your game's shaderpacks folder, you can switch Luminous Clear Skies on or off directly from the pause menu while playing.
Activating the Pack
1. Load into a singleplayer world or join a server so you can preview the visual changes immediately.
2. Press Esc and open Options, then click Video Settings.
3. Open the Shader Packs (or Shaders) menu provided by your shader loader.
4.
Verifying That It Loaded
Step outside into an open landscape during daytime to check that the pack is active. Because Luminous Clear Skies uses a subtle vanilla-plus approach rather than changing standard block art, blocks will keep their familiar textures. Look instead for crisper natural lighting, cleaner daytime skies, and balanced contrast between sunny ground and shaded areas.
If you want to compare the look against standard Minecraft at any point, return to the Shader Packs screen and toggle shaders off (or use your shader loader's toggle keybind in Options > Controls > Key Binds) without leaving your world.