A quick look back at the actual launch of Microsoft Windows 1.01 38 years ago today November 20, 2023 by admin Tweet On November 20, 1985, over two years after it was first announced by Microsoft, the company finally released Windows 1.01. It was Microsoft's first attempt at a GUI PC operating system. Read more… Neowin Related Posts:A quick look back at the official announcement of…A quick look back at the launch of Windows NT 3.1,…A quick look back at the launch and promotion of…A quick look back at Windows 3.1 which hit the RTM…A quick look back at the launch of the first version…