Find used IP Address:
FOR /L %i IN (1,1,254) DO ping -n 1 169.192.226.%i | FIND /i "Reply">>c:\UsedIPAddress.txt
Change Static IP Address:
netsh int ip set address "Local Area Network" static 169.192.226.236 255.255.255.0 169.192.226.1 1
netsh int ip set address "Local Area Network" static IPAddress SubnetMask DefaultGetway 1