ProPresenter 7 keys are distinct from ProPresenter 6. Ensure you aren't trying to use an old legacy key for the new software.
Once you have purchased a seat, you will receive a unique license key via email. Verifying this key within the software unlocks the full features and removes the watermarks.
No. Renewed Vision offers a fully functional 14-day trial with no credit card required. After 14 days, you must purchase a verified key to continue. This trial is the only legitimate free option.