1. First, open the ps software and a picture that needs to be captured. Click on the menu bar on the left side of the page and select "Crop Tool".

2. Then a clipping box will pop up on the page, and you can select the range of images to be clipped.

3. In the toolbar at the top of the page, you can choose the setting options for cropping pictures, and make your choice as needed.

4. Then double-click the cropping area to confirm that the area has been cropped.

5. If you want to save the cropped picture, click "File" in the upper left corner of the page and select the "Save As" option to save it.