: You can apply for a free premium license if your project is open-source and you agree to let it be featured in the ZofzPCB gallery. How to Install Your License Key Open ZofzPCB and navigate to the Components menu. Select Enter License Key to open the dialog box.
Ensure your key is valid for the version of ZofzPCB you have installed (e.g., a v2 key might not work on v3). zofzpcb license key top
When copying the key from your email, ensure you aren't grabbing an extra space at the beginning or end. : You can apply for a free premium