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If Nitro PDF Pro has reverted to “Trial mode”, you may need to reactivate your Nitro license. Your license could revert to Trial mode if you recently changed computers, upgraded your operating system, or experienced a system crash. To reactivate your license, please enter your 18-digit Nitro PDF Pro serial number below and click “Find License”.
Need help locating your serial number?
If you are a business customer who did not purchase Nitro PDF Pro online at gonitro.com, please contact your Nitro account executive or submit a support ticket for activation assistance.
*This licensing portal supports the activation of serial numbers for Nitro Pro 13 and Nitro PDF Pro 14 (for Windows) only. For activation issues related to earlier versions of Nitro PDF Pro (v12 and earlier), please upgrade to the latest version of Nitro PDF Pro at a discounted rate.