- Click "Start button"
- in the search box, enter "Turn windows features on or off"
- in the features window, Click: "Internet Information Services"
- Click: "World Wide Web Services"
- Click: "Application Development Features"
- Check (enable) the features.

After all the steps above done, open command prompt with admin right and execute this command:
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i