Once you have your Fullbright_1.12.2.zip file (or similar name), follow these steps to install the correctly.
Unlike some shaders or lighting mods, this resource pack is lightweight and does not negatively affect your frames per second (FPS). Mod Compatibility: It is fully compatible with popular rendering mods like fullbright 1122 resource pack full
on competitive public servers without checking their rules first. Once you have your Fullbright_1