


At the command prompt, type the following: dism /online /enable-feature /featurename:netfx3.On the Start screen, right-click the Command Prompt tile, and then click Run as administrator.

NET 3.5 on Windows Server 2012 or Windows 8 NET 3.5 before installing IIS and ASP.NET modules. If you support web applications written using ASP.NET 2 to 3.5, install. To learn more about the Web PI, see Learn more and install the Web PI. Because the Web PI installs the latest versions of available Web Platform offerings, with just a few simple clicks you can download and install any new tools or updates. If you prefer, you could use the Web Platform Installer (Web PI) to install IIS and third-party applications that run on IIS. To install IIS on either Windows Server 2012 or Windows 8, you must sign on as a member of the Administrators group.
