Bryan Bates Posted May 16, 2023 Report Share Posted May 16, 2023 I'm using the serial number. I had started a "free trial" on my new laptop. I'm concerned that maybe I have Version 12 on my old laptop and Version 13 on my new laptop (free trial). I am happy to revert back to Version 12 but I'm not sure how to install a previous version on my new laptop. Thank you for any help you can provide. Link to comment Share on other sites More sharing options...
Bryan Bates Posted May 16, 2023 Author Report Share Posted May 16, 2023 When I enter the Serial number from my previous laptop, I'm getting a message saying that the Serial number "does not exist". Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted May 16, 2023 Official Nitronaut Report Share Posted May 16, 2023 Greetings @Bryan Bates Thank you for reaching out through our Community Forums! In checking your email address, I can see that you have a version 12 license. You will need to uninstall Nitro PDF Pro 13 on your computer and then install Nitro PDF Pro 12 so you can successfully activate using your existing serial number. You can uninstall Nitro in Windows Control Panel > Programs and Features. After that, install Nitro PDF Pro 12 using the installer from the link below:https://www.gonitro.com/product-details/downloads - please ensure to click the 'Download Nitro Pro 12' link. Once Nitro PDF Pro 12 is installed, you should be able to activate it using your version 12 license. Kind regards, Link to comment Share on other sites More sharing options...
Bryan Bates Posted May 16, 2023 Author Report Share Posted May 16, 2023 Thank you! This worked great! Link to comment Share on other sites More sharing options...
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