Complex sentence: Support for multiple monitor configurations was added as a standard feature in Microsoft Windows in Windows 98, and has been a standard feature of Apple's Mac OS since the introduction of the first color Macintosh II in 1987.
Split into simpler sentences: Support for multiple monitor configurations was added as a standard feature in Microsoft Windows in Windows 98. It has been a standard feature of Apple's Mac OS since the introduction of the first color Macintosh II in 1987.