Follow these simple steps, and restore your productivity in seconds.
If you recently switched computers, upgraded your operating system, experienced a computer crash, or noticed that Nitro PDF Pro has reverted to Trial mode, you may have trouble re-activating your license. To begin fixing the problem, please input your Nitro PDF Pro serial number below and click “Find License.”
If you’re a business customer, please contact your account executive or our support team directly.
Not looking for help with Nitro activation? Click here to go back to the main Nitro Support page.
*This licensing portal supports Nitro PDF Pro v12, v13, and v14 for Windows which use an 18-digit numerical key for activation. If the licensing portal doesn't resolve your activation issue, please submit a support ticket.