Executing this command opens the purchase page. You can also directly go to the license purchase page: License Purchase Link. Then follow these steps to purchase a license: First select the license type and fill in the information, then click the "Purchase the above license" button; confirm the order information and use WeChat to scan the QR code in the image to pay the bill; then find the order number in the WeChat payment information, the order number is the license; finally use the DAuthorize command to authorize your computer.