Nitro PDF professional 13 is one such software that has proven to be a leader. If you are not sure which to pick, this will help: Īfter installation, you can activate by opening Nitro Pro, clicking on the Help tab > About Nitro Pro > Activate by entering your serial number.Acrobat may have been the inventors of the PDF format but since then they have been outpaced by other PDF creating and managing software. However if you prefer working with an older version and as a courtesy, you can download Nitro Pro 9 installers from this page: In your case, it was upgraded to your current Nitro Pro 12.Īs a work-around, I do see you also purchased a Nitro Pro 9 last March of 2015 using the same email address. If you are interested in upgrading this version to Nitro Pro 13 with a discounted rate, kindly access our Upgrade Portal and enter its serial number (sent to you via private message): When an upgrade happens, the older version gets deactivated on our end and users are provided with a new license to match their upgrade version. I have inspected your Nitro Pro 10 with serial number and found out that this is already deactivated on our end as it went to a version upgrade. Hello you for reaching out to us through our Community Forums! Thank you very much in advance and I am looking forward to hearing back from you.

This matters because our business installers are different from the online ones. To send it via private message, hover your mouse on top of my name 'AllainU' and select 'Message'.

However if you prefer working with an older version and as a courtesy, could you please provide the serial number of your Nitro Pro 9? You can find out more about these fixes here: Please be aware that some important security vulnerabilities fixes that you might want to consider when deciding whether to upgrade to NitroPro 13 or not.

In line with this, you cannot use your Nitro Pro 9 number to activate any versions of Nitro Pro including v12 and v13. With that, support for the discontinued versions are no longer available. Before continuing, please be aware that Nitro Pro 11 or older are already discontinued as documented in our Sunset Policy.

Nitro pro version 12