As reported by PC Gamer, the DLC update is completely free, so if you already own.

EA MAY PROVIDE CERTAIN INCREMENTAL CONTENT AND/OR UPDATES FOR NO ADDITIONAL CHARGE, IF AND WHEN AVAILABLE. EA has confirmed that the Spa Day content pack for The Sims 4 is getting a large update to provide new features. EA ONLINE PRIVACY AND COOKIE POLICY AND TERMS OF SERVICE CAN BE FOUND AT EULAS AND ADDITIONAL DISCLOSURES CAN BE FOUND ATEA MAY RETIRE ONLINE FEATURES AFTER 30 DAYS NOTICE POSTED ON INCLUDES SOFTWARE THAT COLLECTS DATA ONLINE TO PROVIDE IN GAME ADVERTISING. YOU MUST BE 13+ TO ACCESS ONLINE FEATURES. The Sims 4 Digital Deluxe Edition now costs 10 on Steam and offers various expansion and game pack bundles as well as the base game. SERIAL CODES ARE NON-TRANSFERABLE ONCE USED AND SHALL BE VALID, AT A MINIMUM, SO LONG AS ONLINE FEATURES ARE AVAILABLE.

SERIAL CODE REGISTRATION IS LIMITED TO ONE ORIGIN ACCOUNT PER SERIAL CODE. Buy a product and get a ready-to-download gift PDF. The Sims 4 High School Years is the twelfth expansion pack to the famous life simulation developed by Maxis and released by Electronic Arts in 2022 for PC, Xbox One, and PlayStation 4. INTERNET CONNECTION, ORIGIN ACCOUNT, ACCEPTANCE OF PRODUCT AND ORIGIN END USER LICENSE AGREEMENTS (EULAS), INSTALLATION OF THE ORIGIN CLIENT SOFTWARE (AND REGISTRATION WITH ENCLOSED SINGLE-USE SERIAL CODE REQUIRED TO PLAY AND ACCESS ONLINE FEATURES AND BONUS CONTENT (IF ANY). The Sims 4 High School Years Expansion Pack (PC) - Origin Key - GLOBAL. Play for Free The Sims 4 Downloadable Content Expand Your Game With The Sims 4 Expansion Packs you can take your Sims on new adventures.

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