If you are just practicing, the watermark doesn't matter—use the trial to learn the interface. But if you are ready to show your work to the world, the only stable, safe, and ethical way to remove that ghost from your render is to accept that good tools are worth paying for.
She swallowed her pride. Borrowed a friend’s laptop. Re-edited from scratch in the free, watermarked version of Filmora 13. Submitted the film late—with the watermark intact. wondershare filmora 13 no watermark