You can deactivate your single-user NiceLabel license if you want to activate it on another computer.
Note: The computer with NiceLabel software must have internet access. When you deactivate your license, your computer connects to the NiceLabel activation server.
To deactivate the license:
Open NiceLabel Designer.
Go to File > About.
To quickly find your license key after deactivation, click Copy license key to clipboard.
Click Deactivate your license.
Now you can activate NiceLabel with the same software key on another computer.
Read more about NiceLabel licensing in Licensing and Activation document.