Microsoft Windows is one of the commonly and widely used advanced and excellent operating systems for personal computers developed by Microsoft. According to statistics up to February 2014, 80.6% of total personal computers used Microsoft Windows as their operating system. This statistic was based on the percentage of operating system used to access the Internet (Data, 2014) (Enterprise, 2012). Microsoft Windows operating system is not only limited to personal computers but is also used in services, devices, smartphones, embedded systems and others.Microsoft was founded on April 4, 1975 by Bill Gates and Paul Allen. (Microsoft, 2014)The history of Windows began with the development of MS-DOS (x84) which stands for "Microsoft Disk Operating System" for the very first IBM personal computer in August 1981 with the version MS-DOS 1.0 and the latest update. was in 1994 with MS-DOS version 6.22. (Stallings, 2005) Initially, the initial version was simple and resembled the CP/M operating system. But it starts to improve for the next version until it becomes more and more sophisticated as they incorporate the features of minicomputer operating systems. (Enterprise, 2012) On November 20, 1985, the first version of Windows was known as Windows 1.0. The original name was Interface Manager, but it suddenly became Windows because it best describes the computer box or "windows" that are fundamental to the new system. This system used a basic interface using gadgets such as a calendar and calculator. This window is also the start of MS Paint and primitive word processing. (Microsoft, 2014) (Enterprise, 2012) After that, in 1987, Microsoft released Windows 2.0, which is not much different from the previous version. The differences only introduction...... middle of paper ...... for entertainment and full PC functionality. (Microsoft, 2014) Works Cited Curtis, J. (nd). A brief history of the Windows operating system. Retrieved April 10, 2014 from Top 10 Reviews: http://windows-operating-system-reviews.toptenreviews.com/a-brief-history-of-the-windows-operating-system.htmlData, R. (2014). Operating system platform statistics. Retrieved April 10, 2014 from w3schools.com: http://www.w3schools.com/browsers/browsers_os.aspEnterprise, Q. (January 16, 2012). The history of Microsoft operating systems. Retrieved April 10, 2014, from Webopedia: http://www.webopedia.com/DidYouKnow/Hardware_Software/history_of_microsoft_windows_operating_system.htmlMicrosoft. (2014). Facts about Microsoft. Retrieved April 10, 2014 from Microsoft: http://www.microsoft.com/en-us/news/inside_ms.aspxStallings, W. (2005). The Windows operating system. United States: Prentice Hall.