Raspberry pi3 edimax wlan

hi
when i do this step by step http://www.daveconroy.com/turn-your-raspberry-pi-into-a-wifi-hotspot-with-edimax-nano-usb-ew-7811un-rtl8188cus-chipset/

and also how can i use onboard wlan ?

emo@demo-desktop:~$ ifconfig
enxxxxxxx Link encap:Ethernet HWaddr xxxx
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:2 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

enxxxxx Link encap:Ethernet HWaddr xxx
inet addr:192.168.1.25 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: xxxx/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:337 errors:0 dropped:0 overruns:0 frame:0
TX packets:277 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:26644 (26.6 KB) TX bytes:41336 (41.3 KB)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:89 errors:0 dropped:0 overruns:0 frame:0
TX packets:89 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:10806 (10.8 KB) TX bytes:10806 (10.8 KB)