Multilingual... - Windows 10 Digital License C V3.7

It sounds like you're referring to a specific file or software title:

This is not an official Microsoft product. Instead, it’s almost certainly a or a third-party license tool that claims to generate or “crack” a digital license for Windows 10. Windows 10 Digital License C v3.7 Multilingual...

Would you like help checking if your current Windows copy is properly activated the legitimate way? It sounds like you're referring to a specific