The first step is to enter from the entrance of the national smart education platform for primary and secondary schools. After the upgrade, the national smart education platform for primary and secondary schools has become the national smart education platform for primary and secondary schools. Therefore, if you want to watch free online classes on the national platform for wisdom education in primary and secondary schools, you only need to enter the national platform for wisdom education in primary and secondary schools.

Website of the National Smart Education Platform for Primary and Secondary Schools 1:/ Website of the National Smart Education Platform for Primary and Secondary Schools 2:/ Both websites can enter the National Smart Education Platform for Primary and Secondary Schools in official website to watch free online classes.

Step 2: To enter the topic of "Curriculum Teaching", you can click on the "Curriculum Teaching" section above, where there are grades corresponding to primary school, junior high school and senior high school, and click to select.

Step 3: Select "Grade, Subject and Version" and enter the corresponding grade, then further select "Grade, Subject and Version" and "Part I and Part II" and proceed to the next step.

Step 4: Choose the corresponding class hours. There are corresponding units and courses below. Choose the corresponding class hours to watch the free video course teaching.

Step 5: Check the study list. There is a synchronous learning list under "Course Teaching", which includes "video course, learning task list and after-class exercises". If necessary, you can choose to continue studying.