Thank you for choosing Nitro and I hope this helps. However if you prefer working with an older version and as a courtesy, kindly uninstall the version you currently have by going to Control Panel \ Programs \ Programs and Features, reboot your machine and download Nitro Pro 10 installers from this page: Īfter installation, you can activate by opening Nitro Pro, clicking on the Help tab > About Nitro Pro > Activate by entering your serial number. You can find out more about these fixes here: In addition to that and many other feature improvements, version 13 also contains some important security vulnerabilities fixes that you might want to consider when deciding whether to upgrade to it or not. You should then receive an email confirmation with a new serial number to activate Nitro Pro 13 and to know more about some enhancements and fixes with Nitro Pro 13, please visit our Release Notes page If you are interested in upgrading your license to Nitro Pro 13 with a discounted rate, kindly access our Upgrade Portal and enter your Nitro Pro 10 serial number: With that, support for the discontinued versions are no longer available. Please be aware that Nitro Pro 11 or older are already discontinued as documented in our Sunset Policy.
