I wrote Revo after my license would not upgrade. This is their reply.

Hello,
thank you for your feedback!

We are sorry for the inconvenience.

If your serial number was generated after 1 October 2012 you should be able to upgrade Revo Uninstaller Pro to version 3.0 for free. But your serial number is generated before that and because this version 3.0 is a paid upgrade you will have to purchase an upgrade.

So you can continue to use version 2.5.9 with your current serial number:

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You should not have problem to register version 2.59 with your serial number.

Another option is to purchase an upgrade license.

Thank you!

Best regards,
Revo Uninstaller Support Team
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