How do i make an inset circle on each of these faces?

Press I to inset, press I again to make individual. Drag down slightly. Now you have a square in each face. You may need to scale- setting the transform to Individual Origins- along the local X or Y to get perfectly square. Now you can either add a subdivision modifier on the whole object, or press W on those faces and choose Subdivide. With the latter, select the Outer Edges of the squares. Press W, Loop Tools (enable Loop Tools add-on if you haven’t), choose Circle. If that doesn’t work, Undo and then F3 > Smooth Vertex

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NVM. Got it working. thanks