J901 beta is available as a zip install package for windows/mac/linux/rpi. Except for rpi (nonavx 32 bit), 901 will be available only as avx 64 bit.
Get your zip install package at: https://code.jsoftware.com/wiki/System/Installation/Zips After your first install of j901 beta you will be able to do all subsequent j901 beta updates with pacman. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
