: HKEY_LOCAL_MACHINE\SOFTWARE\Nitro\Pro\x (where 'x' is your version number).
A window will appear showing the version and a partial serial number (e.g., 504945XXXXXXXXXXXX ). 4. Locate via Windows Registry (Older Versions Only)
For Windows users on Version 13 or Nitro PDF Pro 14, you can use the Nitro Activation Portal to check your license status.
For DVD cases, check for a label inside the case near the disc. Summary of Nitro Serial Number Locations Availability Location/Detail All Versions Order confirmation from Cleverbridge or Element 5. Licensing Portal Online Activation Portal. About Nitro Pro All Versions Help > About Nitro Pro (Partial view only). Registry v12 & earlier HKEY_LOCAL_MACHINE\SOFTWARE\Nitro\Pro\ . Need help with a specific version? Nitro PDFhttps://licenses.gonitro.com Activating Nitro PDF Pro
For older versions of Nitro Pro (v12 and earlier), the serial number might be stored in the Windows Registry.
Look for a label on the back of the envelope containing the installation CD.
: You will typically need your email address and order details. If you are an enterprise customer, you may need to contact your account executive or submit a Nitro Support ticket for assistance. 3. Check the Software Settings (Partial View)
: Look for keywords like "Nitro Pro order," "Reference #," or "Cleverbridge" (Nitro's primary payment partner).