surapara Posted May 29, 2014 Share Posted May 29, 2014 After uninstall the previous version, the latest version (v.9.5.1.12) of Nitro PDF Pro-X64 was installed and everything is smooth. In the step of activation I've tried to follow the READme! file but it show "Invalid license number" in every time. Would someone please advise how to fix the problem. Some of error images are attached. Link to comment Share on other sites More sharing options...
jalaffa Posted May 29, 2014 Share Posted May 29, 2014 We list the free version on the frontpage so this does really not belong in site / forum feedback. Topic closed. Link to comment Share on other sites More sharing options...
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