macOS Tahoe 26 is the next major version of the macOS operating system, unveiled by Apple on June 9, 2025 at WWDC.

Named after Lake Tahoe, located on the California-Nevada border, it continues the tradition of naming macOS after iconic California locations.

The focus of macOS Tahoe is on a new design, improved integration with other Apple devices, and enhanced Apple Intelligence capabilities.

Introducing Mach Desktop 4K version 3.0: The most advanced and beautiful wallpaper application ever conceived for a personal computer! Mach Desktop 4K features 50 stunning dynamic Themes; allows you to load your own Videos, GIFs, or Quartz Compositions as Wallpaper, and allows you to add over 30 different Widgets to your Desktop. Choose from a huge variety of meticulously crafted dynamic Themes from categories including: Space, Fantasy, Architecture, Fields, Nature, Holiday, Aquariums, Fireplaces, Abstract Themes, and much more! Mach Desktop 4K also features GPU-acceleration support so Themes use little-to-no CPU — freeing up your computer for other tasks.

Introducing Aquarium 4K: The most innovative and insanely beautiful Wallpaper application ever conceived. Aquarium 4K features over 20+ stunning themes, with each theme featuring breathtaking 4K Video and the most cutting-edge and beautiful Widgets ever to grace a Desktop! 4K Videos include a huge variety of exotic fish; including: Sting Rays, Jelly Fish, Cat Fish, Clown Fish, Lion Fish, Sea Horses, Alligators, and much more! Also visit a variety of locations around the world the Great Barrier Reef, the Bahamas Barrier Reef, Thailand, and more.