Install msys2
Open msys2
Run those command as below :
(See here if you have issue on copy and paste.)
pacman -S python git which
git clone https://github.com/exkc/e.nya.je.git
cd e.nya.je/getroot/offline
chmod +x setup.sh
Prass win + r
Type cmd and click ok

Type ipconfig

as you can see the pc ip is 172.16.0.243
Click on the msys2 window
and run
./setup.sh
Type the ip you got from ifconfig when it asked What is the ip/local network domain of this device :