Windows 3.1x/9x Codename Product name Janus Windows 3.1 Kato, Sparta Windows for Workgroups 3.1 Snowball (LB) Windows for Workgroups 3.11 Chicago Windows 95 O’Hare Internet Explorer, first shipped in Microsoft Plus! for Windows 95 Frosting Microsoft Plus! for Windows 95 Detroit Windows 95 OSR 2 Nashville Windows Desktop Update, Internet Explorer 4.0 Memphis … Continue reading Microsoft CodeNames