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/custom-content/
Skin: https://www.thesimsresource.com/artists/Ms_Blue/downloads/details/category/sims4-skintones/title/mirabelle-skin-overlay-hq/id/1366346/
Skin details: https://obscurus-sims.tumblr.com/post/159058189203/eyebags-n2-8-swatches-teen-males-and-females
Body replacements: http://luumiasims.com/post/152404590469/body-redux3-new-body-replacements-to-improve-your
Baby hair: http://candycanesugary.tumblr.com/post/159135172250/baby-hair-vanilla-hazel-8-swatches-recolors/embed
Hair: https://simpliciaty-cc.tumblr.com/post/161168734323/divine-hair-mashup-36-swatches-hq-mod
No EA eyelashes: http://cienzroza.tumblr.com/post/160017930275/no-ea-eyelashes
3D Eyelashes: http://kijiko-catfood.com/category/the-sims4/ts4-makeup/
Eyes: https://s4models.com/2015/01/21/all-my-posts-on-tumblr-got-deleted/ (super eyes)
Eyebrows: https://www.thesimsresource.com/downloads/details/category/sims4-hair-facial/title/igraine-eyebrows-n109/id/1375701/
Eyeliner: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-eyeliner/title/elegant-wing-liner-n28/id/1328234/
Eyeshadow: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-eyeshadow/title/purine-eyeshadow/id/1376460/
Highlight Contour HC01: https://katverse.com/custom-content/makeup/
Lips: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-lipstick/title/precursor-lipstick–unisex/id/1375388/
Nails: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-rings/title/glossy-square-nails-n11/id/1339222/
Necklace: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-necklaces/title/natalis_lariat-necklace-with-crystals/id/1328847/
Watch: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-bracelets/title/toksik–fawn-watch-and-bangles/id/1346110/
Ring: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-rings/title/s-club-ts4-wm-rings-f-201701/id/1368937/
Handbag: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-rings/title/handbag–trapeze/id/1319828/
Bra: https://www.thesimsresource.com/downloads/details/category/sims4-sets/title/julia-lace-bra-top%2Bacc-set/id/1353867/
Top: http://simslifesims.tumblr.com/post/161377031234/blouse-01-by-simtographies-no-creativity-for
Pants: https://www.thesimsresource.com/artists/SLYD/downloads/details/category/sims4-clothing-female-teenadultelder-everyday/title/noel-culottes/id/1377013/
Shoes: https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/madlen-iva-shoes/id/1365907/