Official "FileZilla Pro" does have a dedicated portable version, as it is a paid, subscription-based service. However, you can create your own portable version by downloading the official ZIP package and modifying its configuration. Download Options & Status Report

: Available only as an installer for Windows, macOS, and Debian Linux via the FileZilla Pro Website or authorized stores like the Microsoft Store .

To run FileZilla Pro or the free client portably from a USB drive or local folder without installation, follow these steps from the official Wiki : FileZilla Pro Download