Since Zorin OS Pro is "per user," not "per computer," you can legally use your Pro ISO to flash a portable drive for your own personal use. The Media:

In the crowded landscape of Linux distributions, Zorin OS has emerged as a standout champion, particularly for users transitioning from Windows or macOS. Known for its polished user interface, built-in compatibility tools (like Wine and PlayOnLinux), and out-of-the-box hardware support, Zorin OS offers a premium experience.

Plug the drive into a computer, boot from USB, and select "Try Zorin OS." Once inside, apply your Pro settings. Because of the persistent partition, these changes will be there next time you plug the drive into a different PC. Pro Tip for Performance

To run Zorin OS Pro, your computer should meet the following minimum system requirements:

Plug the USB into any PC or Mac, access the boot menu, and select the USB drive. You now have a portable Zorin OS that saves your progress!

: Zorin OS is often snappier and more responsive than Windows 10, especially on older hardware.

If the only reason you're seeking Pro is for its advanced creative apps, consider these that are available on any Linux distribution (including Zorin OS Core) or even Windows: