Open your image in Photoshop
Select the Crop Tool from the toolbar
Drag the crop handles to adjust the crop area
Move the image inside the crop box if needed
Press Enter or Return to apply the crop
Use the options bar to set a specific crop ratio or size
Check the Delete Cropped Pixels option if you want a non-destructive crop
Use the Straighten option if the image is tilted
Click the checkmark in the options bar to confirm the crop