Unable to find ASP.NET Web Service in file - c#

I am trying to develop a web service application. I am following this website to develop the web service, as from the instructions when I open the VS2013 and Select File -> New -> Web Site in Visual Studio, I did not found this Asp.net web service. I got as below image.
Do I have to install any templates?
I have also tried to Installed the web service template by online but when I click on it and searched I got nothing, like my below image.
Can someone help me to do it.
Note: I am connected to Internet.

please follow below steps:
Right Click on Project/Application
Select Add new Item
Select Installed Tab
Select Visual Basic or Visual C#
Find Web Service (ASMX)

It depends what kind of web service you want to create really.
In your example you're using the "New Web Site" dialog.
More modern web services (Web API etc) instead use "New Project" dialog. Open that and choose "ASP.NET Web Application" and you can choose what you want from the subsequent dialog.
See here:

I got it, I have the change the .Net framework from 4.5 to .Net framework 3.5.
Thanks for your time and your help :)

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