There is a Chrome version, a mobile version, and a desktop version (Earth Pro). The link slicerwizard provided is where to download it. There isn't a specific desktop installer for Windows 10, you just need to be running Windows 7 or newer. The requirements for the desktop version are listed below.
Minimum:
- Operating System: Windows 7
- CPU: 1GHz or faster
- System Memory (RAM): 2GB
- Hard Disk: 2GB free space
- Internet Connection
- Graphics Processor: DirectX 9 or OpenGL 1.4 compatible
Recommended:
- Operating System: Windows 7 or higher
- CPU: 2GHz dual-core or faster
- System Memory (RAM): 4GB
- Hard Disk: 4GB free space
- High-Speed Internet Connection
- Graphics Processor: DirectX 11 or OpenGL 2.0 compatible