Create wpa_applicant.conf

Sample Wifi configuration file. Pasting this file in the /boot directory (also accessable via windows) will overwrite the existing wifi configuration. Please modify the Wifi-Country to the country you live in and replace your wifi details with the dummies in this file.

wpa_applicant.conf

@@ -0,0 +1,8 @@
+country=US
+ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
+update_config=1
+
+network={
+    ssid="Wifi-SSID"
+    psk="Wifi-Password"
+}