How to change an image to black and white

When I try to change my image by going Edit, Edit Colours, it is all greyed out:

How do I get around this? Is this a problem with my settings?

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Community Expert

In the Control Panel, find the Embed button, over toward the left end. Click that, then go back to Edit Colors.

Peter

Participant

Oh my goodness - thank you so much

Community Expert

You're welcome.

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