Steam will apparently stop working on Windows XP and Vista after today December 31, 2018 by admin Tweet Steam will apparently stop working on Windows XP and Vista starting on January 1, 2019. Valve has recommended that users upgrade to Windows 7 or above in order to receive further updates. Read more… Neowin Related Posts:Valve: Windows 11 is getting closer to Windows 10 on SteamChange your Windows 11 or Windows 10 to Windows 7 or…Steam won't run on Windows 7/8/8.1 starting in 2024…Valve: Windows 11 makes a big jump on Steam, reaches…Valve: More than 42% of Steam users run Windows 11