I understand you're looking for Magisk Manager for Android 4.4.2 (KitKat). However, there are some important technical limitations to be aware of first:
You can try downloading the Magisk Manager APK from APKMirror, a reputable source for Android APKs. However, please note that the version might not be compatible with Android 4.4.2: download magisk manager for android 4.4.2
Magisk v18.1: This was a milestone release that expanded support specifically for older versions like Android 4.2. Where to Download I understand you're looking for Magisk Manager for Android 4
The Target Build: Magisk v22.1 This is widely considered the "last resort" for legacy devices. Where to Download The Target Build: Magisk v22
Getting Magisk to run on Android 4.4.2 (KitKat) is unfortunately not possible with modern versions of the tool. Magisk officially supports only Android 6.0 (Marshmallow) and higher.
Rooting an Android 4.4.2 KitKat device with Magisk is a specialized task because modern versions of Magisk no longer support such old software. To successfully download and use Magisk on Android 4.4.2, you must use legacy versions specifically designed for older Android kernels. Compatible Versions for Android 4.4.2