Question

Where can I download an earlier version of Skype (version 3.0 for example)?

Answer 1

try this link: http://www.oldapps.com/skype.php

Answer 2

Since on the official web page you can find only the latest versions of the software, you can use Google search engine to find the first ones. Also, you can check Software Informer database for a previous version even if not all of them are available for downloading.