VBScript is interpreted by a script engine, either ASP in a web environment, wscript.exe in a Windows environment, and cscript.exe in a command-line environment.
VBscript files typically have the extension vbs.
Example program (to put into a file 'hello.vbs')
msgbox "Hello world"
If the Windows Scripting Host is installed correctly and activated the program runs, when the icon is double-clicked.