In 1.5.2, X-ray was typically installed by manually editing the game files. Create a backup of your .minecraft Find your JAR: Navigate to %appdata%/.minecraft/bin and find the minecraft.jar Delete META-INF: minecraft.jar with a program like delete the . If you don’t, the game will crash on startup. Install Files: Download a 1.5.2 compatible X-ray mod (like Uyjulian's X-ray Mod ) and drag all the files into your open minecraft.jar Toggle X-ray. (Sometimes) Redstone/Caves mode. Full Brightness. 2. Texture Pack Alternatives While 1.5.2 primarily used mods, you can find X-ray texture packs from that era on CurseForge