[Samsung Galaxy S7 Guides, News, & Discussion] :
Not working:

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>Root.bat

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb wait-for-device
* daemon not running. starting it now on port 5037 *
* daemon started successfully *

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#adb shell mount -w /
'#adb' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#adb shell mount -w /data
'#adb' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell mount -o rw,remount /

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb push SuperSU-v2.74-2.img /data/su.img
4424 KB/s (33554432 bytes in 7.406s)

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#adb shell mount -w /system
'#adb' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell mount -o rw,remount /system

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb push launch_daemonsu.sh /system/etc/launch_daemonsu.sh
error: protocol fault (no status)

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb install -r SuperSU-v2.74-2.apk
error: device not found
- waiting for device -

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#adb shell 0<supersu.cmds
'#adb' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -w /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -o rw,remount /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell touch /system/xbin/su
touch: '/system/xbin/su': Read-only file system

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -o rw,remount /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell chmod 0755 /system/xbin/su
chmod: /system/xbin/su: No such file or directory

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -o rw,remount /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell chcon u:object_r:system_file:s0 /system/xbin/su
chcon: /system/xbin/su: No such file or directory

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -o rw,remount /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell chmod 0700 /system/etc/launch_daemonsu.sh
chmod: /system/etc/launch_daemonsu.sh: No such file or directory

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -o rw,remount /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell chcon u:object_r:su_exec:s0 /system/etc/launch_daemonsu.sh
chcon: /system/etc/launch_daemonsu.sh: No such file or directory

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>#mount -o rw,remount /system
'#mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>adb shell if [ `cat /system/etc/init.sec.boot.sh | grep daemonsu ; echo $?` -ne 0 ]; then 1>/dev/null 2>&1
The system cannot find the path specified.

C:\Users\Administrator\Downloads\Samsung_Root_All_S7_EX_models_(BillA+lucadalba_edit)\Samsung_Root_All_S7_EX_models>

@

Removed all "#" on adb and here is the result:

C:\Users\Administrator\Desktop\sammy>Root.bat

C:\Users\Administrator\Desktop\sammy>adb wait-for-device

C:\Users\Administrator\Desktop\sammy>adb shell mount -w /
Usage: mount [-r] [-w] [-o options] [-t type] device directory

C:\Users\Administrator\Desktop\sammy>adb shell mount -w /data
Usage: mount [-r] [-w] [-o options] [-t type] device directory

C:\Users\Administrator\Desktop\sammy>adb shell mount -o rw,remount /

C:\Users\Administrator\Desktop\sammy>adb push SuperSU-v2.74-2.img /data/su.img
4039 KB/s (33554432 bytes in 8.112s)

C:\Users\Administrator\Desktop\sammy>adb shell mount -w /system
Usage: mount [-r] [-w] [-o options] [-t type] device directory

C:\Users\Administrator\Desktop\sammy>adb shell mount -o rw,remount /system

C:\Users\Administrator\Desktop\sammy>adb push launch_daemonsu.sh /system/etc/launch_daemonsu.sh

C:\Users\Administrator\Desktop\sammy>adb install -r SuperSU-v2.74-2.apk
error: device not found
- waiting for device -

C:\Users\Administrator\Desktop\sammy>adb shell 0<supersu.cmds
mount -w /system
mount -o rw,remount /system
touch /system/xbin/su
mount -o rw,remount /system
chmod 0755 /system/xbin/su
mount -o rw,remount /system
chcon u:object_r:system_file:s0 /system/xbin/su
mount -o rw,remount /system
chmod 0700 /system/etc/launch_daemonsu.sh
mount -o rw,remount /system
chcon u:object_r:su_exec:s0 /system/etc/launch_daemonsu.sh
mount -o rw,remount /system
if [ `cat /system/etc/init.sec.boot.sh | grep daemonsu >/dev/null 2>&1; echo $?` -ne 0 ]; then
echo '/system/etc/launch_daemonsu.sh' >> /system/etc/init.sec.boot.sh
fi
syncroot@hero2lte:/ # mount -w /system
Usage: mount [-r] [-w] [-o options] [-t type] device directory
1|root@hero2lte:/ # mount -o rw,remount /system
root@hero2lte:/ # touch /system/xbin/su
root@hero2lte:/ # mount -o rw,remount /system
root@hero2lte:/ # chmod 0755 /system/xbin/su
chmod: /system/xbin/su: No such file or directory
1|root@hero2lte:/ # mount -o rw,remount /system

C:\Users\Administrator\Desktop\sammy>mount -w /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>mount -o rw,remount /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>adb shell touch /system/xbin/su
error: device not found

C:\Users\Administrator\Desktop\sammy>mount -o rw,remount /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>adb shell chmod 0755 /system/xbin/su
error: device not found

C:\Users\Administrator\Desktop\sammy>mount -o rw,remount /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>adb shell chcon u:object_r:system_file:s0 /system/xbin/su
error: device not found

C:\Users\Administrator\Desktop\sammy>mount -o rw,remount /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>adb shell chmod 0700 /system/etc/launch_daemonsu.sh
error: device not found

C:\Users\Administrator\Desktop\sammy>mount -o rw,remount /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>adb shell chcon u:object_r:su_exec:s0 /system/etc/launch_daemonsu.sh
error: device not found

C:\Users\Administrator\Desktop\sammy>mount -o rw,remount /system
'mount' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\Administrator\Desktop\sammy>adb shell if [ `cat /system/etc/init.sec.boot.sh | grep daemonsu ; echo $?` -ne 0 ]; then 1>/dev/null 2>&1
The system cannot find the path specified.

C:\Users\Administrator\Desktop\sammy>

Not working.