Windows 1.03

Windows 1.03 is minor update to Windows 1.0, released in mid-1986. It succeeds both 1.01 and 1.02 as a universal release in the US and other markets. It features additional device drivers, an improved SDK and updated Control Panel, Reversi, Write, and Paint to 1.03, the rest is 1.02. There are twelve different versions of 1.03, the first one has a timestamp of 1986-08-14, the second one has a timestamp of 1986-08-21, the third one has a timestamp of 1986-08-24, the fourth one is a Tulip OEM dated 1986-10, the fifth one is dated 1986-10 and is a HP OEM, the sixth one has a timestamp of 1986-12, the seventh one is a Zenith Data Systems OEM from 1986, the eight has a timestamp of 1987-01 and is a DEC OEM, the ninth one has a timestamp of 1987-03, the tenth one is a Siemens PCD-2 OEM and is dated 1987-09, the eleventh one is a ICL OEM dated 1987-11, and the twelfth one is a Tulip OEM from '87.