Hi,
Please add "Olive Video Editor" to your Portable apps list. It's an open source Professional Video Editor. Please check their website link. They do have portable zip files for Windows 32bit & 64bit machines.
Website Link: https://www.olivevideoeditor.org/
Description : Olive is a free non-linear video editor aiming to provide a fully-featured alternative to high-end professional video editing software.
Thank You