Minecraft 1.12.2 Fullbright Texture Pack //top\\

In the game menu, move the pack to the column and click Done . Alternative: The "Gamma" Trick (No Pack Needed)

: If you prefer a mod over a texture pack, this version includes a toggle (default key: ) and adjustable strength settings from 0 to 10. Installation Guide for 1.12.2 minecraft 1.12.2 fullbright texture pack

You do not need to be a tech wizard to install this. Since this is a resource pack, installation is drag-and-drop. In the game menu, move the pack to the column and click Done