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/
Poses: http://helgatisha.tumblr.com/post/161886975232/ts4-model-poses-17-pose-pack-cas-download
Body replacements: http://luumiasims.com/post/152404590469/body-redux3-new-body-replacements-to-improve-your
Skin: http://vilachi.tumblr.com/post/162209058257/download-here-found-in-skin-details-this-is-a-skin
Nose mask: https://obscurus-sims.tumblr.com/post/158655406378/9-swatches-teen-males-and-females-hq
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://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-costumemakeup/title/crybabies–crystal-eyes/id/1380934/
Eye bags: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-skindetails/title/%5B-sigil-%5D–eyebag/id/1314416/
Eyebrows: https://www.thesimsresource.com/downloads/details/category/sims4-hair-facial/title/nox-eyebrows-n110/id/1376566/
Nose contour: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-skindetails/title/nose-masks–skin-detail/id/1365317/
Hair: https://simpliciaty-cc.tumblr.com/post/162440106009/moonlight-hair-mesh-edit-36-swatches-hq-mod?is_highlighted_post=1
Inner eye highlight: https://grimcookies.tumblr.com/post/157473794030/ana-highlight-a-bright-inner-eye-highlight-for
Bronzer: https://katverse.com/custom-content/makeup/
Eyeshadow: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-eyeshadow/title/freya-eyeshadow-n42/id/1360245/
Eyeliner: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-eyeliner/title/%5B-lana-%5D–perfect-wing-eyeliner/id/1310542/
Face shine: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-blush/title/face-shine-n15/id/1330951/
Lipstick: http://alainalina.blogspot.com/2017/06/alya-lipstick.html
Nails: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-rings/title/nails-02/id/1296207/
Dress: https://www.thesimsresource.com/downloads/details/category/sims4-clothing-female-teenadultelder-everyday/title/deep-v-neck-strappy-maxi-dress/id/1381065/
Bag: http://www.lumy-sims.com/2017/03/mila-accessory-blazer-should-blazer-and.html
Shoes: https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/madlen-bruja-shoes/id/1345281/
Bracelet: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-bracelets/title/natalis_cage-and-crystals-bracelet/id/1344523/
Ring: https://www.thesimsresource.com/themes/goth/downloads/details/category/sims4-accessories-female-rings/title/s-club-ts4-wm-rings-201703/id/1378338/
Choker: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-necklaces/title/toksik–luxe-choker/id/1360750/