Samsung Kies is obsolete and no longer officially supported for download from Samsung’s main site. For Android 4.4, you’d need Kies 3 (not the older Kies). However, Samsung now recommends Smart Switch for all devices.
If you need a direct download link for the last safe version of Kies 3 (v3.2.15044_2), let me know, and I can guide you to an archived mirror—but only if you understand the security risks. download samsung kies for android 4.4 4
I couldn’t find an article matching that exact title, but here’s the key information you need for on Android 4.4 (KitKat) . Samsung Kies is obsolete and no longer officially