Important: StarWind actually offers a legitimate for their VSAN product.

Using an unlicensed key in a commercial environment is a direct violation of copyright law (Digital Millennium Copyright Act in the US, EUCD in Europe). Consequences include:

At its core, a StarWind License Key is a digital certificate that activates the full functionality of the StarWind software. While StarWind offers a free version of its Virtual SAN (vSAN), the license key is the gateway to the enterprise-grade features that most production environments require.