A living desktop companion
Keep a calm little world beside your work. Feed your fish, watch them explore, and return whenever you need a quiet break.
Available now for Windows
A peaceful living aquarium that keeps you company while you work, study, or simply slow down.
Free to download · Windows 10/11 · No account required
Your little underwater world
Desktop Aquarium turns a small part of your screen into something peaceful and personal—without demanding your attention.
Keep a calm little world beside your work. Feed your fish, watch them explore, and return whenever you need a quiet break.
Collect aquatic creatures, unlock decorations, change backgrounds, and build an underwater scene that feels personal.
Use a compact always-on-top window or let the aquarium fill your screen. It stays close without getting in the way.
Designed to live beside you
Watch the water move, feed your creatures, and let the soft ocean ambience make the desktop feel a little less mechanical.
Inside the aquarium
From one quiet fish to a world full of creatures and hidden details.



Good to know
Yes. The app is free to download and play. Optional creatures, backgrounds, and coin packs are available inside the app.
Desktop Aquarium is made for x64 Windows 10 and Windows 11 PCs and is distributed through the Microsoft Store.
No account is required. Game progress is stored locally. See the privacy policy for full details.
Your desktop could use a little life
Download Desktop Aquarium free from the Microsoft Store.
Download from theMicrosoft Store