Based on our Terms and Conditions and your specific purchase terms, there is a maximum limit on the
number of registrations for FileZilla Pro. If you’ve previously registered a copy or have reached this
limit, you must deregister the existing installation before registering a new one.
If you need assistance with the deregistration process, please contact our support team, writing to firstname.lastname@example.org
- On Windows, go to the FileZilla Pro installation directory and double-click the Deregister FileZilla Pro shortcut.
On macOS, execute this command in a terminal, relative to where app got installed:
On Debian Linux, execute this command in a terminal, relative to where the archive got extracted to:
Your previous FileZilla Pro registration has been successfully deregistered. You can now proceed to
register a new copy without any issues.
The video tutorial below shows how to register and deregister your copy of FileZilla Pro.