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 info@filezillapro.com
- On Windows, go to the FileZilla Pro installation directory and double-click the Deregister FileZilla Pro shortcut.
- A dialog window will prompt you for the registration key. Enter your registration key.
- If FileZilla Pro is running, you will receive a notification asking to close it and retry.
- Click OK to proceed with the deregistration.
On macOS, execute this command in a terminal, relative to where app got installed:
FileZilla.app/Contents/MacOS/filezilla --deregister
On Debian Linux, execute this command in a terminal, relative to where the archive got extracted to:
FileZilla3/bin/filezilla --deregister
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.