SuperSU-v2.82-SR3-20170813133244.zip
Flash SuperSU-v2.82-SR3-20170813133244.zip work fine, then install supersu.apk.-Magisk not directly installable.
Follow below steps
1. Take boot image backup from twrp.
2. Reboot to system.
3. Install magisk apk
4. Internet connection on and run magisk app
5. Click install->patch boot file. (Use whick backed up and patch)
6. Magisk will create patched_boot.img in internal magisk manager folder.
7 install this boot file from twrp
Thanks