STEP 6
Now select he ellipse tool from the tool panel. You can also press ctrl+U/cmd+U again and again until it comes. I have written a whole tutorial on Rectangular and Elliptical marquee Tool in Photoshop and you should check out that tutorial if you are a beginner.
Here’s a look of my option bar. Change the mode to shape. Select “no fill” and add stroke of 3 pixel. Constraint your selection to circle.
Draw a circle as shown below. Press enter/return to remove the vector line from the circle.