Quote Originally Posted by DigiRev
Only way to be sure is to try it, I don't believe you do since those libraries should come already installed with Windows. However, when creating an installation package using those API functions using VB's Package & Deployment Wizard, it adds those files to the support folder.

URLDownloadToFile:
Operating Systems Supported
Requires Windows NT 4.0 or later; Requires Windows 95 or later

InternetOpen:
Operating Systems Supported
Requires Windows NT 4.0 or later; Win9x/ME: Not supported

Taken from:
http://allapi.mentalis.org/apilist
Thanks. I don't understand what they mean by "not supported". In particular, it is unclear to me whether it means that Win9X is not equipped with that library or you cannot install that library on Win9X. Any idea?