In past 20 years, Microsoft has launched the first version of Windows Operating System and it was pretty rudimentary. The DOS operating system was not easily to use. In currently new version of windows have all technological challenging ideas such as hardware is faster, many users have broadband connection, more users use to music listening and watch movie and detecting viruses. MS-Dos and PC-DOS required system users to memorize program commands, to perform any operations, changing directories, copying files and small operating footprint.
The command line interface conducted at Xerox PARC Labs and then Apple Lisa. The first version of windows has only Microsoft word and Excel applications, but the current versions have a lot of native applications like GUI. In fortunately windows got better and more popular. The company has small updating the new version of windows. For ex, Windows 95 was a complete rewrite of the past 3.X version of windows and Windows 98 was a less significant upgrade.
