How-To Geek writes:
Dolphin is the default file manager on the KDE desktop, helping you navigate and browse your local and cloud files. Even though it’s usually discussed as a Linux application, you can actually install it on Windows as an alternative to Microsoft’s built-in File Explorer.
Many KDE applications are available and fully supported on Windows and Mac, such as the Kdenlive video editor and Krita digital art creator. Dolphin is also in that category of cross-platform KDE apps, though the Windows version is more of an experimental project. You have to download the latest daily version from KDE’s build server. After installation, Dolphin is available in the Start menu.
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The title already says it all: It’s weird.
That said, Dolphin also offers a number of features that File Explorer doesn’t such as split screen views and the ability to start a terminal session from any folder. The latter may not be as relevant for Windows as it is for Linux, but it’s still convenient for power users.