So I wanted to play sky factory 2.5 so I downloaded the Curse Launcher. I downloaded sky factory 2.5 but when I tried to load MC up it crashed. Can anybody tell me how to fix this?
by the looks of it your java version is way out of date. the current java version is version 1.8.0_131, unless you have java 1.7.0 or higher pretty much no (modded) minecraft instance will load. head to the java website and download the latest java 64-bit version. I hope it helps!
open curse/twitch launcher > click on gear at bottom left > click on minecraft > scroll down, check the java version is set to "always latest version" or the one you just downloaded > scroll again and adjust the slider bar to have at least 4gb of ram.