What Is Magisk Manager?
Magisk Manager is the application same as SuperSU which is pre-installed on your device after you have rooted your Android device. If you want to use the magisk manager you can unroot your device and then root it with the help flashing Magisk-v20.zip or else you can install the magisk manager application and do the systemless rooting on your device.
There are many questions raised, and people has a query that is How to root with magisk? The rooting procedure is simple, and you need a custom recovery installed on your device. If you have the custom recovery, then you can root your Android device by flashing the Magisk zip file.
Magisk Manager 20.4 Latest zip : Download
Magisk Manager APK File : Download