If you entered a correct license key but receive an error message, there most likely is a problem with the connection between our license servers (http://license.pdfforge.org) and your computer. Please make sure that there is no firewall or proxy blocking PDFCreator.
- PDFCreator Terminal Server users, please read this article: https://docs.pdfforge.org/pdfcreator/latest/en/pdfcreator/installing-pdfcreator/installation-on-a-terminal-server/#licensingserviceconfiguration
- PDFCreator Business users, please make sure that you're allowed to connect to our license server at https://license.pdfforge.org.