such as version 7.5.1, which corresponds to these older root methods. Installation Steps for Android 4.4.2
To use Magisk on Android 4.4.2 KitKat, you must download or earlier. Newer versions (v23.0+) dropped support for KitKat, and current releases require at least Android 6.0. Download & Compatibility download magisk manager for android 4.4.2