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.

Tutorial: How To Download My Sims From The Gallery 

Custom Content:
CAS Background: https://katverse.com/custom-content/cas-backgrounds/
Skin: http://litttlecakes.tumblr.com/post/139370219310/pssti-updated-this-skintone-and-it-includes-this
Skin tone: https://www.thesimsresource.com/downloads/details/category/sims4-skintones/title/skintone-set-v2/id/1313399/
Glossy skin overlay: http://xldsims.tumblr.com/post/139654327414/a-shiny-ish-oiled-up-skin-finish-that-wont-blind
Body replacements: http://luumiasims.com/post/152404590469/body-redux3-new-body-replacements-to-improve-your
Cleavage detail: http://js-sims.blogspot.com/2015/02/js-sims-4-cleavage-detail-overlay.html
Baby hair: http://candycanesugary.tumblr.com/post/151192203125/baby-hair-eve-3-to-4-conversion-21-swatches
Hair: https://www.thesimsresource.com/downloads/details/category/sims4-hair-hairstyles-female/title/nightcrawler-kylie/id/1356625/
Eyes: http://crybvbies.tumblr.com/post/166003806447/crybabies-paradise-eyes-im-back-with-another
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/
Cheek highlight: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-blush/title/highlight-n1-accessory-and-tattoo-no-blush/id/1376851/
Face contour: https://katverse.tumblr.com/post/165197284792/face-nose-contour-ctr01-categories-blush-face
Blush: https://goppolsme.tumblr.com/post/165184890847/gpme-fenty-beauty-gloss-bomb-universal-lip
Eyeshadow: https://goppolsme.tumblr.com/post/165473093952/gpme-tarte-eyeshadow-limited-edition-magic-star
Eyeliner: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-eyeliner/title/angel-eyeliner-n56/id/1361123/
Lipstick: https://www.thesimsresource.com/downloads/details/category/sims4-makeup-female-lipstick/title/frs-lipstick-n13/id/1346075/
Belly button ring: http://shimydim.blogspot.com.ee/2017/07/s4-navire-fluffed-bikini-anchor-belly.html
Earrings: https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-earrings/title/leahlilith-starstruck-earrings/id/1316764/
Outfit: http://plazasims.tumblr.com/post/166046280233/character-emma-frost-from-marvel-comics

Author Katverse
Published