Just place the .pak file in your No Man's Sky\GAMEDATA\PCBANKS folder.

This overwrites these files:
PIPELINE.BIN,
PIPELINEDEFERRED.BIN,
PIPELINENGUISCREENVIEW.BIN,
PIPELINESCREENVIEW.BIN,
PIPELINETARGETSCREEN.BIN

so other graphical mods may not be fully combatible.