windows identity foundation (microsoft.identitymodel.dll) missing from window7

Installing windows identity foundation for windows 7.

Install following two components for Windows Identity Foundation:

Windows Identity Foundation runtime
http://www.microsoft.com/en-us/download/details.aspx?id=17331

Windows identity foundation (WIF)
http://www.microsoft.com/en-us/download/details.aspx?id=4451

Following reference will be available for adding in project : "C:\Program Files\Reference Assemblies\Microsoft\Windows Identity Foundation\v3.5\Microsoft.IdentityModel.dll"