Hi,
This is second video of tutorial and explains how to setup Raspberrypi SSH and login without Display, keyboard and mouse using etheernet and WIFI.
putty official website
https://www.putty.org/
ip scanner download link
https://www.advanced-ip-scanner.com/
text to enter in wpa_supplicant.conf
country=de
update_config=1
ctrl_interface=/var/run/wpa_supplicant
network={
scan_ssid=1
ssid="NETWORK-SSID"
psk="NETWORK-PASSWORD"
}