Trying to use Feature Works on a STEP file and a IGES files and I can click on Feature Works and Recognize feature and Options but then nothing happens Am I missing something

MT 2018-04-24

I'm trying to use Feature Works to recognize features on either a STEP or IGES File, and I've enabled the Feature Works add in, and the selection isn't grayed out, but when I select Recognize feature, or Options, nothing is happening. Am I missing something easy?

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