Instructions for installation : 

Go in to MineCraft java edition version 1.8.9 

click options

click resource packs

open pack folder

drag the zip file to the folder that appears

Back in MineCraft, Options, Resource Packs,  now TexturePackBasatBoys.zip is available click the arrow to the left and it will appear in the right hand column, click on Done, then Done again to exit the options menu