Look here: Ford odometer correction software inĀ OBDSTAR Odo Master mileage programmer.
It even covers the latest vehicles, year 2019.
Take Focus 2019
Odomaster is user-friendly
Help data can be used for newbies.
Odometer correction will be easy, esp. thru OBD
Just connect the obdstar machine to the car
Then read and write km
Check obdstar odomaster full odometer reset car list