You will get a registration code via e-mail. To activate the license, download a free version of the software and enter the registration code in the "Software Activation and License" tab.
Check your product configuration before purchasing:
This license is only valid for running the software under Windows. Running this software under other operating systems (if supported) requires special licenses.
This product is licensed under the terms and conditions of the Recovery Explorer License supplied with the software.
for Linux only
for macOS only