zip file you downloaded in the first step to the newly opened 'resourcepacks' folder. – folder titled 'resourcepacks' will pop up
On the options menu, click 'Resource Packs.'.Launch the game client through the Minecraft launcher.– if there are many different versions, just pick the one that you like or that you think your PC can handle Download the Milkyway Galaxy Night Sky texture pack for Minecraft from the download section below.NOTE: Many resource packs require optifine to be preinstalled, so be sure to install it. How to install Milkyway Galaxy Night Sky Resource Pack: