Wxcommander -

While it is primarily a Windows tool, it runs on versions ranging from Windows XP and 2000 to Windows 7 and Vista, with support for both 32-bit and 64-bit architectures.

The software is built on the "Orthodox File Manager" (OFM) philosophy. It features two side-by-side directory panels, which allows for efficient file operations like copying or moving items without opening multiple windows. While its aesthetic is somewhat dated compared to modern Windows 11 explorers, its utility lies in speed and technical flexibility. wxCommander