Windows 95 is an operating system released by Microsoft in 1995. Windows 95 was a popular operating system, and on it's first day made $30 million worth of sales.
Windows 95 represented a radical shift from previous versions of Windows, featuring support for 32 bit applications, a redesigned user interface, preemptive multitasking, predominate use of the right click menus and more. Many of the features introduced with Windows 95 have carried through to the current versions of Windows available today.
Windows 95 was superseded by Windows 98. Support for Windows 95 ended in 2001, and the operating system is now considered obsolete.