You can download a free Demo plug-in to test the software before buying.
Once installed, open DaVinci Resolve and go to the Color tab . You will find the plugin in the OpenFX library under Neat Video > Reduce Noise v5 . Download File NeatVideo for DaVinci Resolve v5....
After first launching the plugin, go to Tools > Preferences > Performance and click Optimize settings to tune Neat Video to your computer's CPU and GPU. You can download a free Demo plug-in to