5 ms·
NT was already a functional OS in October 1991: https://betawiki.net/wiki/Windows_NT_3.1_October_1991_build https://betawiki.net/wiki/Windows_NT_3.1_October_199
by my123 5y ago
NT was already a functional OS in October 1991: https://betawiki.net/wiki/Windows_NT_3.1_October_1991_build https://betawiki.net/wiki/Windows_NT_3.1_October_1991_build and http://www.os2museum.com/wp/installing-oct-91-nt-from-cd/ http://www.os2museum.com/wp/installing-oct-91-nt-from-cd/
Those decisions were already way beyond locked back then.