Therefore, if you rely on , you should:
: Uninstall the current version, clear downloaded installers, and download the correct retail or business installer from https://www.gonitro.com/documentation/product-downloads . Ensure you select the entry for Nitro PDF Pro 13.
: Serial number format 5049xx-xxxxxx-xxxxxx (similar to retail). Purchased by organizations for multiple users. Number of allowed activations is specified in the license agreement.
If your computer is broken, or if you have the serial number but do not know how many devices it is currently active on, Nitro provides an online self-service portal. This portal allows you to check your activation count and deactivate old machines remotely. Step-by-Step Instructions:
Your IT department needs to inventory company software assets.
The primary goal of the license check is to ensure that a copy of Nitro Pro 13 is legitimate and properly assigned to a specific machine. Nitro uses a unique —a hardware-derived identification number—to track activations and prevent unauthorized use of a single serial number on multiple unauthorized devices. Key Tools for Verification
During your license check, you may encounter specific errors preventing successful activation. Here is how to fix the most common issues: 1. Error: "The serial number entered is invalid"
: Since the check requires an internet connection to reach Nitro's servers, strict corporate firewalls can sometimes block the communication, necessitating a manual offline activation.
Retail licenses of Nitro Pro 13 generally allow activation on a limited number of devices (usually two computers for a single user). If you try to add a third, it blocks the process.