Octane 2 plugin not listed within plugins to install?

What am I missing about Octane plugin installation?
have followed these notes:

still not listed when rebooting >properties > plugins >install

Perhaps I’m not in the right directory (downloads)?

(Windows novice here)

Hi Mel - If there is an *.rhp file in the Octane installation folder, try dragging that onto an open Rhino window.


Thanks Pascal - Got it.
(It was going into wrong directory: Program Data (86) instead of Program Data.)