However if you prefer working with an older version and as a courtesy, you may download Nitro Pro 10 installers from this page: 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 (Premium Support is prioritized ticket support with our Technical Support staff/Nitro Customer Success and Service Team for one year after the purchase date). You may also want to purchase Nitro VIP Access (formerly Software Assurance) that entitles users to free upgrades for the next release of Nitro Pro and Premium Support for one year after the purchase date. 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. Before continuing, please be aware that Nitro Pro 11 or older are already discontinued as documented in our Sunset Policy.

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