Windows 7 is the 7th major version of Microsoft's Windows operating system, released in 2009. It was intended to be compatible with existing device drivers, applications, and hardware while including improvements such as better multi-touch support and a redesigned taskbar. Windows 7 features a more personalized user interface with themes and gadgets, improved performance, new media streaming and sharing capabilities, and enhanced support for touchscreens. It requires at least 1GB of RAM, 16GB of storage, and a graphics card with a WDDM 1.0 driver to run.