While the Official Cyberduck Website primarily hosts the standard installer for Windows 10 (64-bit) and later, portable versions are typically managed through third-party repositories or specialized packaging.

You can also find Cyberduck on the Windows Store for a more sandboxed experience, though this is not strictly a "portable" standalone file. Key Features of Cyberduck

Cyberduck is a libre server and cloud storage browser that supports a massive range of protocols: Download - Cyberduck

Cyberduck Portable for Windows: Download and Usage Guide allows you to manage cloud storage and file transfers on Windows without performing a permanent installation. By using the portable version, you can carry your bookmarks, history, and preferences on a USB stick or external drive, making it an ideal "on-the-go" tool for developers and server administrators. Where to Download Cyberduck Portable for Windows