hello community kali

I am under kali since not very long, I have the version of kali: 4.17.0-kali1-686-pae . I can not put my wifi keys , with the command "airmon-ng " :

airmon-ng :

PHY Interface Driver Chipset

null wlan0 r8188eu Realtek Semiconductor Corp. RTL8188EUS 802.11n Wireless Network Adapter

ifconfig
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 54:04:a6:97:6b:a5 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 3060 bytes 247356 (241.5 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3060 bytes 247356 (241.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

usb0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.42.155 netmask 255.255.255.0 broadcast 192.168.42.255
inet6 fe80::4cc8:12ff:fef2:2f45 prefixlen 64 scopeid 0x20<link>
ether 4e:c8:12:f2:2f:45 txqueuelen 1000 (Ethernet)
RX packets 31411 bytes 20615389 (19.6 MiB)
RX errors 7 dropped 0 overruns 0 frame 7
TX packets 28278 bytes 4277862 (4.0 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 50:3e:aa:72:a9:a9 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

i tried to install the drivers but i still have the same answer: E: the files is not find or something like that.Could you help me find a solution to solve my problem. Thanks in advance