https://analytics.wikimedia.org/dashboards/browsers/#desktop-site-by-os https://analytics.wikimedia.org/dashboards/browsers/#desktop... is probably a good sourc

https://analytics.wikimedia.org/dashboards/browsers/#desktop-site-by-os https://analytics.wikimedia.org/dashboards/browsers/#desktop... is probably a good source of information as Wikimedia has some big sites and Wikipedia is huge. * Windows -- 70% * Mac -- 20% * Linux+Chrome OS -- 7% (or just 5% if you want to exclude Chrome OS)