have a try here
http://www.vmware.com/tryvmware/activate_login.php
.. so you need an account at VMware,
if you do not manage this with your current E-Mail,
you have to try it with another "free" one ( hotmail, gmail,..)
ups.. with the Email I got a full URL so that this is displayed
"VMware vCenter Converter Standalone"
but I load the URL at another browser, I just get a login request but not the message.
Sincerely
Rolf