Step 1: After registering and logging in, enter the "course center" page, click a course to enter the course introduction page, and if you need to buy, click the "Join Purchase" or "Join Learning" button;

Step 2: If you need to purchase multiple courses, you need to select the corresponding courses one by one and enter the shopping cart; If you need to modify the courses in the shopping cart, you can click Continue Course Selection, Delete the selected goods and Empty the shopping cart to modify them.

Step 3: After the course selection, enter the shopping cart for settlement.