Technic launcher - technic platform, The technic launcher requires java. if you do not already have java installed please make sure to go download the latest version from oracle. you can get the java jre.Tutorials - technic pack wiki, How to install technic launcher. playthroughs & walkthroughs edit. phase based technic pack walkthrough; general technic tutorials edit getting started tutorials edit. Rock crusher - technic pack wiki, The rock crusher is a machine introduced in the railcraft mod. it functions much like the macerator from industrialcraft. 12 rock crushers must be placed in a 2x3x2.