Crop a photo using the Crop tool

Select the Crop tool (C) . 

Use the Options bar to customize tool settings, like setting the aspect ratio or width and height values, to get the effect you want.

Select inside the crop border and drag to reposition the image.

Drag the corner or edge handles of the crop border that appears on your photo to specify the crop boundaries.

Select enter (Windows) or return (macOS) to crop the photo.