A legitimate portable application is software configured to run from a USB flash drive or external hard drive without being installed on the host computer's operating system. It leaves no registry entries and stores its configuration files within its own folder.

The free version, PowerDirector Essential , is lightweight. You can install it to a folder on a USB drive, but you must run the installer on every new PC you use (the installer will inject registry keys each time, which takes 60 seconds). This is the closest legal "portable" behavior you will get.

It is important to clarify the nature of "portable" software versions before providing details.

It does not alter the host computer’s system registry or leave behind temporary junk files.

Modern iterations include AI sky replacement, object detection, speech-to-text, and audio denoising.

CyberLink does not offer an official portable version. You can install it on an external drive using the standard installer (choose custom install path).