Parepare: 

Quickly 4C/4D/46/48 Code Reader
OBDSTAR F-100 Mazda/Ford Auto Key Programmer
Magic Wand 4C 4D transponder chip generator
Chip 4D70

 
Steps to do 2015 Focus: 
 
Test original transponder key with Quickly key copy machine.Then choose read or copy
 
 
Quickly key programmer identified the chip as ID83


Try to start the car with the original key 
it is working.Test new transponder
Choose read or copy 
The chip is identified as 4D 70
 
 
Try to start the car
It is not working.Format 4D 70 TO 83 by Magic Wand
 
 
Inser a new trandponder key & igntion on


Then program Focus key with OBDSTAR F100


Plug the OBDSTAR F-100 into the OBD socket
Select Immo key programming function 
Select Ford/Lincoln
Check Ford Linocln software V31.22
F-100 initializing
Select Ford
Select Immobilizer System
Select Focus
Select New Focus
This car is 2015 year, so then we choose Type 2(2014-)


Choose "Programming a new key"
F100 prompt "Insert a new transponder key & ignition on"
reading pin code 
ignition off
ignition on 
now we own 4 keys could start this car
programming key in procedure
 
 
It takes about 4 min to program
Now we get pincode
 

now we own 5 keys could start this car


Try to start the car with new key 
Done!