Two line firewall rule add with autoelevator in powershell

#Autoelevator
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs; exit }

#Add firewall rule of your liking.
netsh advfirewall firewall add rule name="Webserver autoconfig 7777 TCP INBOUND" dir=in action=allow protocol=TCP localport=7777