IE9 remains supported on Vista (as it's the last release of IE that runs on it). IE9/IE11 is all that remains supported on client releases on Windows (Server an

IE9 remains supported on Vista (as it's the last release of IE that runs on it). IE9/IE11 is all that remains supported on client releases on Windows (Server and Embedded versions of Windows continue to use pretty much everything from IE7 upwards). https://support.microsoft.com/en-us/gp/microsoft-internet-explorer?wa=wsignin1.0 https://support.microsoft.com/en-us/gp/microsoft-internet-ex... provides a clearer overview of what the supported version where is. (Note that it excludes OSes that are currently supported by end support before 12 Jan 2016.)