Maxon provides several legitimate ways to use Redshift for testing and learning without purchasing a full commercial license. Maxon One Trial : You can sign up for a 14-day free trial
For optimal performance with Redshift, ensure your GPU meets the minimum requirements. As of my last update, Redshift supports NVIDIA GPUs with at least 4 GB of VRAM, but 8 GB or more is recommended for more complex scenes. redshift+gpu+3519+trial+resetrar+link