The Sims 4 Game Keys

Download the EA App client from here.
Click "Download EA app" (from the upper right corner)
Install and start application, login with your Account name and Password.
Click on My Collection and click on Redeem Code.
Simply enter your game key in the activation field and click Next. Make sure that there are no spaces left before or after your code.
After successful code verification go to the "MY GAMES" tab and start downloading.

Indulge in iconic fashion and enchanting décor with The Sims™ 4 Secret Sanctuary Kit. Create a luxurious space full of opulent furniture concealed behind a secret passage in a bookcase. When you’re inside your hideaway, let the world melt away as you relax on your chaise lounge or try on polished Italian-inspired fashions in your floor-length mirror. KEY FEATURES An Opulent Oasis — This is a private retreat featuring a mysterious hidden entrance, elegant antique vanity, charming tea set, and more high-end touches sure to delight Sims with a sense of refinement. Flawlessly Fashionable — These finely tailored, Italian-inspired fashions are polished, sophisticated, and feature classic silhouettes. It’s a cohesive collection that feels curated, as if hand-picked by someone with exquisite taste.