HttpRuntime.IISVersion Property  
Definition
Important
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Gets the version of IIS that is hosting this application.
public:
 static property Version ^ IISVersion { Version ^ get(); };
	public static Version IISVersion { get; }
	static member IISVersion : Version
	Public Shared ReadOnly Property IISVersion As Version
	Property Value
The version of IIS that is hosting this application, or null if this application is not hosted by IIS.
Remarks
The version includes major version and minor version; for example, 7.0, 7.5, 8.0, etc.