[j.p.s]

Originally Posted by jhowell

You need to click the Preferences icon or select "Change calibre behavior" from the dropdown menu or type Control-P to get the main preferences menu. Then select Plugins at the bottom left to get the dialog that Sirtel posted.

Originally Posted by Sirtel

I've added a screenshot from Preferences -> Plugins:

Originally Posted by kovidgoyal

Click the preferences button. Then Click the Plugins button then click the "Load plugin from file button"

Thank you, I had been clicking the upside down triangle on the right of the preferences button.