gregtech-5.09.54.204 is a release file of the Minecraft mod Gretech 5 Unofficial GTNH for Forge, made for Minecraft 1.7.10. It was published on October 4, 2026 and is 64.9 MB in size. For the full description, screenshots and every other version, visit the Gretech 5 Unofficial GTNH mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
