If you don't own the pack, the Simming community has created many free alternatives that mimic its features or provide new ways to do laundry:
Many creators on sites like Mod The Sims offer decorative versions of washing machines, dryers, and hampers for free. These are perfect if you just want the aesthetic of a laundry room without the gameplay. The Sims 4: Laundry Day Stuff Free Download
Electronic Arts occasionally runs "On the House" promotions or themed sales where Stuff Packs may be offered for free or at a significant discount. Keep an eye on the official The Sims News page for these announcements. If you don't own the pack, the Simming
Some "Maxis Match" custom content sets, like those found on Tumblr or Patreon , include functional laundry items designed for players who may not own the official pack. Keep an eye on the official The Sims
You can buy the pack through the Electronic Arts website or various platform stores like Steam, the EA App, and the Xbox Store.