In the setup process you will be asked for 3 IP addresses, your gamePC where PUBG runs, the RadarPC IP on which the setup runs and your router IP which is displayed as gateway. On windows, use ipconfig in cmd to find your IP and gateway, and on linux use ifconfig. Your interface will most likely be ens33 or enp3s0, don't choose lo. When your asked for RAM, look in the Mem: line in collum free. Choose a lower value e.g. 4.2G -> type 4g. The setup installs the radar in the Radar folder. There will be update.sh, create_run.sh and run.sh.