How to install livestreamer?
livestreamer is available in the official Kodi repository which is included by default in Kodi. You can install this addon by going in Kodi to System >> Settings >> Addons >> Get Addons >> XBMC.org Addons or Kodi.tv Addons
About SuperRepo and livestreamer
SuperRepo does not maintain livestreamer. We only provide an automated index for Kodi users to have easy access to livestreamer and other addons for Kodi. We are not affiliated with the developers (Christopher Rosell) and do not provide help for this particular addon.