If you tell me whether you want Windows or macOS, and whether you prefer a commercial R-Vox (paid) or a free alternative, I can provide direct links and an exact download recommendation.
Once you have the legitimate 64-bit RVox installed, here is how to use it like a pro:
The term is widely used in the audio production community as shorthand for the Waves Renaissance Vox (R-Vox) plugin. It is legendary for its ability to glue vocal tracks together and make them sit perfectly in a mix with minimal effort.