(Also, I do not provide any kind of keys, nor I encourage piracy)

There is a community-driven, open-source project often referred to as or the "Ivry Driver" (check GitHub for the latest forks).

Getting a Trinus PSVR license key for free is generally not possible through legitimate means, as the software is a paid product designed to support its independent developer. Trinus PSVR is a popular third-party tool that bridges the gap between your PlayStation VR headset and your PC, allowing you to play SteamVR games without owning a dedicated PC VR headset. Understanding the Trinus PSVR License Free Trial