1. Drag and drop ONLY ONE of the variants of "_LividHaygar.NoClouds.Variant.1.1.PAK" into the MODS folder.
On Steam the default directory is "C:/Program Files (x86)/Steam/steamapps/common/No Man's Sky/GAMEDATA/PCBANKS/MODS".

2. Delete ENABLEMODS.TXT in the PCBANKS folder.

3. That's it! Enjoy!