Cyberlink MediaShow latest version is 5, but you can get a free genuine license for the version 4.
Cyberlink Mediashow 4 review
This event is available from 2009/07/01 to 2009/10/01
1. Go to Promotional page
2. Enter name and email address
3. You will receive 2 mails One with CD key and other is to activate account
4. Activate the account, you will receive another email, login to your account
5. Login to your account
6. Click on “You are currently a Bronze Member.”
7. You can see the download link and cd key for Power2Go 5.5 LE Edition
Download link for Media show4
[Via techpp]