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/cas-backgrounds/
Butt, Breast, Posture And Thigh Slider: http://www.theblacksimmer.com/downloads/blackcinema’s-vault/
Skin: http://golyhawhaw.tumblr.com/post/163613548609/simple-skin-overlay-if-youre-interested-link
Skin tone: https://www.thesimsresource.com/downloads/details/category/sims4-skintones/title/skintone-set-v2/id/1313399/
Nosemask: https://obscurus-sims.tumblr.com/post/162047969368/skin-n1-overlay-3-swatches-teen-females-only
Nose contour: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-skindetails/title/nose-masks–skin-detail/id/1365317/
Defined nose: http://sims4nexus.com/?p=4813
Mouth corners: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-skindetails/title/mouth-corners-n03/id/1330957/
Face contour: https://katverse.tumblr.com/post/165197284792/face-nose-contour-ctr01-categories-blush-face
Face highlight: https://didisims.tumblr.com/post/166044678209/vanessas-collection-i-did-this-collection-for
Eyes: https://savagesims.wixsite.com/savagesims/product-page/vlogger-eyes
Eyebrows: http://alf-si.tumblr.com/post/152068015152/eyebrows-23-hq-non-hq-mm-child-humans-24
No EA eyelashes: http://cienzroza.tumblr.com/post/160017930275/no-ea-eyelashes
3D Eyelashes: http://kijiko-catfood.com/category/the-sims4/ts4-makeup/
Hair: https://simpliciaty.blogspot.com/2017/03/nightcrawler-sparks-alpha-edit.html
Baby hair: http://candycanesugary.tumblr.com/post/151813227370/baby-hair-eve-20-i-wasnt-happy-with-the-1st
Eyeliner (feline look): http://www.jomsimscreations.fr/makeup-sims-4.html
Nails (metallic touch): http://www.jomsimscreations.fr/makeup-sims-4.html
Eyeshadow: https://kenzar-sims.blogspot.com/2017/04/kenzar-givemeglowcosmetics-staple.html
Lips: https://obscurus-sims.tumblr.com/post/161321717358/lips-n2-20-colors-teen-males-and-females-hq
Clothes: https://savagesims.wixsite.com/savagesims/product-page/glossy-collection
Ring: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-rings/title/s-club-ts4-wm-rings-201705/id/1388918/
Shoes: https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/madlen-esperia-shoes/id/1317069/