netsh advfirewall

See Current State

netsh advfirewall show currentprofile
#turn off 
netsh advfirewall set allprofiles state off
#turn on 
netsh advfirewall set allprofiles state on 

Turn Firewall on or off

Get-NetFirewallProfile | Select Name, Enabled
Set-NetFirewallProfile -Profile Domain,Public,Private -Enabled False
Set-NetFirewallProfile -Profile Domain,Public,Private -Enabled True