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Unable to install Nitro 11


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I have a license for Nitro Pro 11. Now I bought a new laptop and would like to use Nitro Pro. But download option for earlier versions is not available. What is the solution? I downloaded Nitro Pro 12 and tried to enter the key, but not accepting. After uninstall of Nitro 12, tried to download Nitro Pro 11, but getting an error message of "higher version is already installed" . Please provide a resolution, otherwise my lifetime license goes waste.

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Allain Umailin

Hello @Ravi,

Thank you for reaching out to us through our Community Forums!

In order to further assist you, could you please provide a screenshot of your 'About Nitro Pro' window under Help tab?

Also, a screenshot of the error message you have received after entering your serial number.

To send them via private message, hover your mouse on top of my name 'AllainU' and select 'Message'.

Thank you very much in advance and I am looking forward to hearing back from you.  

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