The OpenSSL installer installs... OpenSSL. curl has never been a component of OpenSSL. Some curl builds make use of the OpenSSL dlls but that's all.
You can download curl from their website:
http://curl.haxx.se/
Could you be a bit more specific when talking about script versions? The word "latest" doesn't mean anything and things are getting even worse over time; imagine someone reading this thread in a year. Using numbers is the preferred way to tell us which version of a script you're using.
Finally, you should send an e-mail to
support@inicom.net asking them to merge your forum account and your customer portal account. At the moment, you appear like an unregistered user.