You do not need to be a tech wizard to install this. Since this is a resource pack, installation is drag-and-drop.
It is not cheating. It is an accessibility feature. Many players get motion sickness from the constant "dark flash" of mining. Fullbright allows longer, more comfortable play sessions. minecraft 1.12.2 fullbright texture pack
the file and restart your game. Everything will now be fully lit. ⚙️ Option 3: Using Mods (OptiFine) You do not need to be a tech wizard to install this
I checked the game difficulty. It was set to Hard. minecraft 1.12.2 fullbright texture pack