3 ms·It really makes me wonder what is that they're using that doesn't work for older Windows...by dreen 14y agoIt really makes me wonder what is that they're using that doesn't work for older Windows...netcraft 14y agoI think it installed .net framework 4.5 - which according to Wikipedia is vista and above. And I bet they just didn't care to support vista.lttlrck 14y agoPerhaps they just don't want to invest in ensuring backwards compatibility, in particular testing overhead.