[ExpertWP]

To crop an image with the Crop tool, follow these instructions:

Step 1. Choose the Crop tool Crop Tool from the Tool Panel or press C.

Step 2. Bring the cursor to a point on the image, where a corner of the cropped image will be, and left-click the mouse.

Step 3. Moving the cursor diagonally, keep the left mouse button pressed.

Step 4. Release the left mouse button. A box will appear over the image with marked corners, indicating the area that will be preserved. This box can be moved, resized, and rotated.

To move the crop box move the cursor completely inside the selected area, press the left mouse button, and while keeping the left mouse button pressed, drag the box

To change the size of the selected area move the cursor to one of the corner markers, press the left mouse button and drag the marker. If the cursor is dragged while pressing Shift, the size of the box will be changed proportionally

Step 5. Press Enter (Return on Macintosh) or press the Apply button in the Options Panel to crop the image.
To close the crop box without cropping the image press Esc or press the button in the Options Panel.