You can find official downloads and community versions on platforms like Modrinth and the Official Luna HD Site .
The resource pack for Minecraft versions 1.15 to 1.17 is a high-resolution, ultra-realistic texture pack designed to overhaul the game's visuals with detailed 3D models and Physically Based Rendering (PBR) textures. Key Features and Compatibility Luna HD 256x 1.15 - 1.17
The pack received specific updates to support the blocks and features introduced in the Minecraft 1.17 "Caves & Cliffs" update. You can find official downloads and community versions
Earlier versions are available and remain highly rated for their realism in the Nether and general survival gameplay. Luna HD 256x 1.15 - 1.17
To use this pack, place the downloaded .zip file into your .minecraft/resourcepacks folder and activate it via the in-game options menu. LUNA HD Resource Pack