EaseUS Todo PCTrans Portable is a specialized version of the popular PC migration software. Unlike traditional software that requires installation on both the old and new computers, the Portable edition can be run directly from a USB flash drive.

EaseUS Todo PCTrans Portable Top Features, Benefits, and How to Use It

It's important to note that EaseUS does not officially release a standalone "portable" version. However, the term refers to to move data and programs from one computer to another.