Original sentence: Basically, Windows 1.0 (like many later Windows versions) was nothing more than a front-end to the MS-DOS operating system.Many beleive that Windows 1.0 was an inferior product to many others at the time.Microsoft Windows 1.0 was Microsoft's first effort to implement some sort of graphical-user interface on the PC platform.The best GUI for the PC platform, many maintain, was GEM.This first version of Windows, which was released in [[1985], ran some program known as Microsoft Executive and was all but unusable.Windows 1.0 completely disappeared in 1987 with the release of Microsoft Windows 2.0
Edited sentence: Basically, Windows 1.0 (like many later Windows versions) was nothing more than a front-end to the DOS operating system.Microsoft Windows 1.0 : Windows 1.0 was Microsoft's first (rather pathetic) effort to implement some sort of graphical-user interface on the PC platform.The first version of Windows, which was released in 1985, ran some program known as Microsoft Executive and was all but unusable.Windows 1.0 completely disappeared in 1987 with the release of Windows 2.0.Windows 1.0 was an inferior product in just about every way; at the time, the best GUI for the PC platform was GEM