Here’s how you can add a video track below another one.
If you want to add a track below V3.

Select V2. Right click and select Insert Track.

This will insert a track V3 above V2 and below V4 which used to be V3.

Here’s how you can add a video track below another one.
If you want to add a track below V3.

Select V2. Right click and select Insert Track.

This will insert a track V3 above V2 and below V4 which used to be V3.
