How does ae add background to the material?

1, first open the AE software in the computer.

2. Then click New Synthesis in the interface.

3. Then click OK in the lower right corner of the interface.

4. Then right-click the Import button.

5. In the interface that appears, click the first file button on the right.

6. Select the materials to be processed in the folder that appears.

7. Then click the Import button in the lower right corner of the interface.

8. Drag the material into the editing interface at the bottom of the interface.

9. Finally, click the transparent background icon at the bottom of the interface.