Installation on KitKat is more complex than on modern devices because many KitKat kernels do not support features like "MagiskHide". topjohnwu/Magisk: The Magic Mask for Android - GitHub
Search for version 7.4.0 or v22.1 to find verified APKs for older devices. How to Install on Android 4.4.2 download magisk manager for android 4.4.2
This was the final major release to officially support Android 4.4 KitKat. Installation on KitKat is more complex than on