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://goo.gl/768UG9
Skin: https://www.thesimsresource.com/downloads/details/category/sims4-skintones/title/alissa-skin/id/1350973/
Skin tone: https://www.thesimsresource.com/downloads/details/category/sims4-skintones/title/skintone-set-v3/id/1346781/
Body replacements: http://luumiasims.com/post/152404590469/body-redux3-new-body-replacements-to-improve-your
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–doe-eyes/id/1362535/
Cleavage detail: http://js-sims.blogspot.com.ee/2015/02/js-sims-4-cleavage-detail-overlay.html
Defined nose: http://sims4nexus.com/?p=4813
Hair: http://simfileshare.net/folder/13711/ (HallowSims_Petite.package)
Baby hair: http://candycanesugary.tumblr.com/post/151192203125/baby-hair-eve-3-to-4-conversion-21-swatches
Face contour&shine: https://magic-bot.tumblr.com/post/160436016002/the-contour-of-the-face-i-also-made-a-shine-of
Mouth corners: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-skindetails/title/mouth-corners-n03/id/1330957/
Eyebrows: https://simpliciaty-cc.tumblr.com/post/160589887328/halcyon-feral-eyebrows-even-though-a-lot-of-you
Butterfly tattoo: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-tattoos/title/butterfly-tattoo-dreacia/id/1333762/
Back tattoo: https://katverse.com/custom-content/tattoos/ (Caduceus)
Blush: https://estrojans.tumblr.com/post/159352733409/estrojans-blaque
Eyeliner: http://www.jomsimscreations.fr/makeup-sims-4.html (Feline look)
Eyeshadow: http://www.maccosimetics.com/2017/01/kyshadow-holiday-palette-hq.html
Lipstick: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-lipstick/title/liquid-lipstick–anastasia-beverly-hills/id/1375465/
Nails: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-rings/title/eumacia-nails-n18/id/1373107/
Bracelet: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-bracelets/title/leahlilith-tangled-bracelet/id/1317867/
Earrings: http://onyxsims.blogspot.com/2017/02/gta-diamond-studs-for-everyone.html
Choker: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-necklaces/title/shay-choker/id/1340467/
Shorts: https://www.thesimsresource.com/downloads/details/category/sims4-clothing-female-teenadultelder-everyday/title/summer-blue-denim-shorts/id/1374515/
Top: https://www.thesimsresource.com/downloads/details/category/sims4-sets/title/suede-frilly-set/id/1355402/
Shoes: https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/madlen-gorgias-shoes/id/1374270/