Ultratech_0.8.1.zip is a release file of the Minecraft mod UltraTech, made for Minecraft 1.6.4. It was published on June 23, 2014 and is 1 MB in size. For the full description, screenshots and every other version, visit the UltraTech mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
