Windows 95, released in August of 1995. A 32-bit system providing full pre-emptive multitasking, advanced file systems, threading, networking and more. Includes MS-DOS 7.0, but takes over from DOS completely after starting. Also includes a completely revised user interface.
Windows 95 is a consumer-oriented graphical user interface-based operating system. It was a significant progression from the company's previous Windows products. During development it was referred to as Windows 4.0 or by the internal codename Chicago.