If you have a strong GPU (Nvidia RTX or AMD RX XXXX versions), then get whichever you have:
Nvidia https://huggingface.co/Shadicti/RVCLatest/blob/main/RVCNvidiaLatest.zip
AMD https://huggingface.co/Shadicti/RVCLatest/blob/main/RVCAMD_IntelLatest.zip
For training voice models, you need an NVIDIA gpu.
Here are a few guides:
How to make an AI cover
https://docs.aihub.wtf/essentials/how-to-make-ai-cover/
How to make your own voice model: https://docs.aihub.wtf/essentials/how-to-make-voice-models/
How to use voice changer:
https://rentry.co/rvcrealtimeguide