You can use this installer to download and install the various binary packages that you need to run KDE applications on MS Windows. KDE is free and open source so you can build all the applications "from scratch" from their source code; but as a convenience for others, volunteers create these pre-compiled packages and make them available on the Internet.

Disclaimer These are early days for KDE4 on Windows, some programs work better than others and some fail to run altogether.

You can also use the KDE Installer for Windows to install source code and the packages that you need to build KDE4 on Windows (although if you are building KDE4 on Windows you may prefer to use the emerge system to build KDE and its requirements from latest source).

Summary of Steps
1. Download and save the latest version of the installer from here to a directory, e.g. C:\KDE4
2. Run the installer, download and install what you need (see Download needed packages below).
3. Try to run a KDE software from the windows start menu (see for KDE x.x.x Release entry)

If something goes wrong during installation, for example a file can't be replaced because it is still in use, the installer may still report successful completion. If you see any alert or failure message from the installer, when it completes, quit and re-run it.

The license of this software is Free, you can free download and free use this system utility software.