Windows 10 gains Steam again, reaches highest ever market share on Valve’s gaming platform November 2, 2016 by admin Tweet After last month’s apparent hiccup, Windows 10 is once again starting to gain market share on Steam, and is now being utilized by 49.33% of all users on Valve’s gaming platform. Read more… Neowin Related Posts:Valve: Windows 11 makes a big jump on Steam, reaches…Valve: Windows 11 market share on Steam drops to 41.61%Windows 11 now has 21% market share on SteamValve: 46% of PC users on Steam run Windows 11Windows 11's market share on Steam is down to 37%