static bool Initialize(string name, Runtime runtimePreference, bool fallback)

string name Name of the application, this shows up an the top of the Win32 window, and is submitted to OpenXR. OpenXR caps this at 128 characters.
Runtime runtimePreference Which runtime should we try to load?
bool fallback If the preferred runtime fails, should we fall back to flatscreen?
RETURNS: bool Returns true if all systems are successfully initialized!

Initializes StereoKit window, default resources, systems, etc. Set settings before calling this function, if defaults need changed!