The base VB-CABLE is free to download and use. However, users on Reddit frequently clarify that Cables A and B are "Donationware," meaning you are expected to pay a small license fee (often around $5–$10) to access them.
VB-Audio Cables A and B are virtual audio drivers that allow you to route audio between different applications on Windows or macOS. While the first standard virtual cable is free to download, additional cables like A and B are typically available through a donation at the official VB-Audio Webshop . Key Download & Reddit Consensus vb cable a b free download reddit
VB-Cable (a + b) giving unknown error - doesn't seem to install The base VB-CABLE is free to download and use