1980's Computer TimeLine By DavMaricopa Aug 12, 1981 "Acorn" - First IBM personal Computer - Microsoft's MS-DOS OS 1983 Apple's Lisa is the first personal computer with GUI. Drop-down menu and icons. 1985 Microsoft releases Windows version 1 Mar 15, 1985 Symbolics.com - 1st dot-com domain name is registered! 1986 Compaq's Deskpro 386 brings 32-bit architecture