STEPHEN0928  Can you send us an email to tell us more details about your questions? Our email is support@xmind.net

All your XMind 2008 files can not be opened by XMind 3?

If not, it will be better if you can share the one which can not be opened.

Thank you in advance.  
(Version 3.0)

STEPHEN0928  About the activation, you should take a visit the page(http://www.xmind.org/us/faq.html#8)

I think you must miss something when activating XMIND.  
(Version 2.1)

STEPHEN0928  @kmg I can use here. :)  
(Version 2.0.2)

STEPHEN0928  I am impressed much by the powerful features of XMIND 2008 Pro, Esp. 'Audio Notes‘， 'Drilldown&drillup',etc. These features let my meeting be easy.

I can structure the meeting now. When taking the team discussion, drilldown will let us focus on the particular branch soon.  
(Version 2.0.2)