Q-Dir (Quad Explorer)

The first time you start Q-Dir you will be presented with a license screen.
The program is free and the license info is only displayed the first time (per PC). 

Supported Operating Systems:
Windows 10 - Pro / Enterprise / Home,
Windows 8.1 - Enterprise / Pro,
Windows 8 - Enterprise / Pro,
Windows 7 - Enterprise / Home Basic / Home Premium / Pro / Starter / Ultimate,
Windows Vista - Enterprise / Ultimate / Business,
Windows XP - Home / Pro,
Windows Serve r - 2000-2008 / 2012 / 2016,
Windows 98.
(x32/x64) - All versions of Windows.

https://www.softwareok.de/?seite=Freeware/Q-Dir

Download

Free Commander XE

Download

Altap Salamander

Altap Salamander is a fast and reliable two-panel file manager for Windows. It has an intuitive interface, offers viewers for all popular file formats as well as support for common archives, and has built-in FTP and SFTP clients.