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Deactivation so I can reinstall on refreshed Windows

Steve Breedlove

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Steve Breedlove

I hope I don't get laugh at over this. I'm trying to deactivate my copy of Nitro PDF Professional 6. Yes I said 6. It works just fine on my Windows 7 laptop. The Laptop needs a refreshing(actually already did on another drive) and I'm trying to deactivate it on old drive so I can install on new one. I found the activation page from the Nitro Support page and I entered the S\N and it found my info(Claims version 12?)..... I click deactivate and a box pops up to select devices to deactivate...... there is nothing that I can "Select" on. There is a clickable "Deactivate" button but nothing that's selectable as far as a device.

I just want to use my software that works and any help to make that happen would be appreciated.

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  • Official Nitronaut
Reymund Oyong

Hi @Steve Breedlove

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

Please be aware that Nitro Pro 11 and older are already discontinued as documented in our Sunset Policy: https://www.gonitro.com/support/sunset-policy. Any activation or deactivation attempt on these versions will no longer work.
However, you can still use your existing license to activate the latest build of Nitro PDF Pro 12 (

The Nitro PDF Pro ( installer can be located from the following location: 
https://www.gonitro.com/product-details/downloads - click the 'Download Nitro Pro 12' link. 

Once Nitro PDF Pro is installed, you should be able to activate using your existing license. 
To activate, go to the Help tab > About Nitro Pro then click the Activate button. Enter the serial number then click the Activate button. 

Kind regards,

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Steve Breedlove

Thank you very much! I would've been happy with getting version 6 working, but I'll certainly take version 12 if that takes care of the activation issues going forward. Your instructions were top notch.

Thanks for the very prompt support. It's hard to find these days.

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