activation troubles 0 Report post Posted January 21, 2020 Hi. I'm trying to install Nitropro on my second device. I have a single user licence. It tells me that the serial number does not exist. I have a license for Nitropro 11 and am trying to install nitro pro 13. Share this post Link to post Share on other sites
Leslie V. 0 Report post Posted January 21, 2020 Hello @activation troubles Thanks for posting here! If you have a Nitro Pro 11 key, that will only work on version 11. If you wish to upgrade to Nitro Pro 13, please proceed to the following web page, https://www.gonitro.com/pro/upgrade Enter your serial number and follow the prompts to receive a new Nitro Pro 13 serial key and installation files. Hope that helps! Share this post Link to post Share on other sites
activation troubles 0 Report post Posted February 6, 2020 Thanks. I can't find a link to download nitro pro 11 on the website, and I sent need the upgrade. Are you able to point towards a trusted site for downloading 11. Thanks Share this post Link to post Share on other sites
