How did Tik Tok's Happy Birthday video pop up?

Tik Tok Happy Birthday Video Pop-up Steps are as follows:

1. First, you need to find Tik Tok software, open Tik Tok APP and enter the main interface of the software.

2. In the jump interface, you need to click "+"to enter the video shooting interface.

3. You can see the selection options on the interface, select "Happy Birthday" in the photo album, and click Use.

4. The final production was successful. Select the video material and make it into a video.