3 ms·As for many of us I'm sure. For me, it was GW-BASIC on an XT clone around 1986 as well.by acheron 13y agoAs for many of us I'm sure. For me, it was GW-BASIC on an XT clone around 1986 as well.ido 13y agogw-basic on xt clone for me too, albeit in 1987 :) the computer came with 256kb ram and propmtly upgraded to a whooping 512kb!raingrove 13y agoSame here. GW-BASIC on MS-DOS 3.30