Auto Install (curl):

curl -s -S -L https://raw.githubusercontent.com/AdguardTeam/AdGuardHome/master/scripts/install.sh | sh -s -- -v
You Can Do The Auto Install Or The WGET:
Pi Install (wget):
Replace armv6 With ARM Version Of The Pi Being Used

wget 'https://static.adguard.com/adguardhome/release/AdGuardHome_linux_armv6.tar.gz'

tar -f AdGuardHome_linux_armv6.tar.gz -x -v
cd Into Dir:

cd AdGuardHome

And Install:

sudo ./AdGuardHome -s install
Other Commands:

    AdGuardHome -s uninstall - Uninstall AdGuard Service

    AdGuardHome -s start - Start AdGuard Service

    AdGuardHome -s stop - Stop AdGuard Service

    AdGuardHome -s restart - Restart AdGuard Service

    AdGuardHome -s status - AdGuard Service Status
Port Being Used:

3000