HDR Light Studio Connection for Octane Standalone is available for Windows operating system only.
You should install the main HDR Light Studio application first, prior to installing our Octane Connection plug-in. See installation instructions for HDR Light Studio here.
Make sure both Octane and HDR Light Studio app are not running prior to installing our Octane Connection plug-in.
Make sure Octane Standalone and HDR Light Studio is closed.
Run the HDR Light Studio Connection installer exe, for example: OctaneRender_Win_2018.0619.exe
Once installed, the HDR Light Studio Connection panel is available to open from the 'Windows' drop down menu in Octane Standalone.