Cannot locate "Write Permission" for avast anti theft.

Avast Mobile Apps Avast Anti-Theft for Android
1

Hello, I cannot finish setting up Anti theft’s 3rd step. Anti theft directs me to General settings of my phone and not directly to the settings. Where can I find “Write Permission” settings?

I"m on Android 6.0.1
Samsung TAB S 8.4

2

Found it. In case others have similar issue please refer to guide below.

Under Applications tab, click the horizontal 3 dots then go to “Change System Settings”. Turn on knob for Avast Anti-Theft.