1, how to cut video
1) Add Video
2) Select the cut point
3) Do not delete that section of the video
4) Export Video
2, how to make a picture in picture video (two or more video while playing video)
1) First select the first video
2) Select the picture in picture video
3) Pull the blue box to change the timing
4) Export Video
3, how to add a frame in the video
Sometimes we want to add a box bubble in one place video
1) Select the picture box
2) Choose the PIP, import
3) to adjust the box size and location, export video.