And now, Windows 3.1!
It has an awesome tutorial for the mouse/gui use.
- Added support for CSS animations
- Added support for switching Firefox development channels
- The Do-Not-Track header preference has been moved to increase discoverability
- Improved canvas, JavaScript, memory, and networking performance
- Improved standards support for HTML5, XHR, MathML, SMIL, and canvas
- Improved spell checking for some locales
- Improved desktop environment integration for Linux users