Complex sentence: Originally designed for the Commodore 64 and released in 1986, it provided a graphical user interface for the venerable 8-bit computer that closely resembled early versions of Mac OS and included a graphical word processor (geoWrite) and paint program (geoPaint).
Split into simpler sentences: Originally designed for the Commodore 64 and released in 1986, it provided a graphical user interface for the venerable 8-bit computer. GEOS closely resembled early versions of Mac OS and included a graphical word processor (geoWrite) and paint program (geoPaint).