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 versions of the bundled applications. There are three different versions of 1.03, one has a timestamp of 1986-08-14, the second one has a timestamp of 1986-08-21, and the third one has a timestamp of 1986-08-24.