Unzip the downloaded file and place all those files into your Sims 4 Tray folder, which can be found at
Documents » Electronic Arts » The Sims 4 » Tray.
Don’t forget to download all the custom content listed. Otherwise, your sim won’t look like mine.
Place custom content files into the Mods folder located at
Documents » Electronic Arts » The Sims 4 » Mods.
CAS Background: https://katverse.com/category/custom-content/cas-background/
More CAS Presets mod: http://databus.blogspot.com/2017/12/the-sims-4-mod-more-cas-presets_12.html
No EA eyelashes: http://cienzroza.tumblr.com/post/160017930275/no-ea-eyelashes
Sliders: https://luumiasims.com/post/174006296684/the-sims-as-a-franchise-might-be-headed-toward-a
3D eyelashes: http://plumbobjuice.tumblr.com/post/164239237300/3d-eyelashes-recolorretexture-of
Eyebrows: https://awesome-ajuga.tumblr.com/post/167877432909/resized-eyebrows-9-10-swatches-hq-compatable
Eyes: https://katverse.com/custom-content/eyes/
Eye bags: https://tamosim.blogspot.com/2015/10/ts4-basic-10-eye-bags-set-for-all.html
Skin: https://obscurus-sims.tumblr.com/post/168436815668/skin-n3-20-colors-teen-females-only-hq
Defined nose: http://sims4nexus.com/?p=4813
Face contour: https://katverse.com/custom-content/makeup/
Jalene Eyeshadow: https://katverse.com/custom-content/makeup/
KV Blush: https://katverse.com/custom-content/makeup/
Macie Lipstick: https://katverse.com/custom-content/makeup/
Baby hair: http://candycanesugary.tumblr.com/post/151192203125/baby-hair-eve-3-to-4-conversion-21-swatches
Hair: http://redheadsims-cc.blogspot.com/2018/05/cazy-bomd-hair.html
Shoes: https://www.patreon.com/vittleruniverse
Alternative shoe option: https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/madlen-karolina-shoes/id/1406091/