The correct title is The Sims 2 Double Deluxe (released 2007). It is a compilation bundle containing:
It does not include later expansions (Nightlife, Open for Business, Pets, Seasons, Bon Voyage, FreeTime, Apartment Life) or Stuff Packs.
The game runs on Windows XP/Vista/7. On Windows 10/11, you may need:
Video Cards.sgr or use Sims 2 Graphic Rules Maker).If you're looking for the complete collection, seek The Sims 2 Ultimate Collection (all EPs + SPs), which was free on Origin for a limited time in 2014–2015 but is no longer officially sold. Used physical copies of Double Deluxe are available on eBay/Amazon.