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.
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That application is Alpha quality, meaning it is far from ready for regular, day to day use.
If you're looking for a video editor, Shotcut Portable is currently in testing.