Looking for logging into the Vb 10 Winhttprequest System site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Vb 10 Winhttprequest System site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/en-us/windows/desktop/winhttp/authentication-using-script
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/92103d97-758e-4d19-8561-51047949716d/winhttp-in-vb-2013?forum=vbgeneral
https://www.vistax64.com/threads/looking-for-an-http-object-that-works-like-winhttp-winhttprequest-5-1.174554/