As you can see in the screenshot below, the serial number is displayed in the dialog box at this stage. To avoid any possible activation errors when you move Nitro Pro to your new computer, you can deactivate manually by opening Nitro Pro and selecting the Help tab About Nitro Pro. If you recently switched computers, upgraded your operating system, experienced a computer crash, or noticed that Nitro Pro has reverted to Trial mode, you may have trouble re-activating your license.
Need Help Activating Nitro Pro? Follow these simple steps, and restore your productivity in seconds. How To Activate Nitro Pro 12 Free Trial Download.How To Activate Nitro Pro 12 Activation.