How to make file with .VBS Extension

HI

I want make file with visual basic with this extention   .vbs

I never  work with VB I should write below code on it

Call Schedule()
Sub Schedule()
On Error Resume Next

Dim objRequest
Dim URL
Set objRequest = CreateObject(“Microsoft.XMLHTTP”)
URL = “http://www.yourdomain.com/test.aspx”
objRequest.open “POST”, URL , false
objRequest.Send
Set objRequest = Nothing
End Sub

where should I do it ?

can you help me ?

Thanks alot