Once the file explorer window is open, go to the address bar at the top and back track to 'Minecraft' and click on the 'Install' Folder. Once the profile is created, right click on the profile and hit open folder.Next, Open Twitch Launcher, move to Mods at the top, 'Minecraft' hit 'Create Custom Profile' making sure that it is a version selected WITHOUT FORGE.First Download the preferred version of Vivecraft from :.This should work for all versions of Vivecraft but be warned it is a little weird.
Hello! I am new to the forums but I found a way to get an install of Vivecraft for Twitch Launcher.