C:InetpubAdminScripts>cd
C:WINDOWSMicrosoft.NETFrameworkv4.0.30319\
C:WINDOWSMicrosoft.NETFrameworkv4.0.30319>aspnet_regiis.exe -i
Start installing ASP.NET (4.0.30319).
.......
Finished installing ASP.NET (4.0.30319).
C:InetpubAdminScripts>cd
C:WINDOWSMicrosoft.NETFrameworkv4.0.30319\
C:WINDOWSMicrosoft.NETFrameworkv4.0.30319>aspnet_regiis.exe -i
Start installing ASP.NET (4.0.30319).
.......
Finished installing ASP.NET (4.0.30319).