Here is the guide to program Subaru XV 2015 80Bit G transponder with the Key Pro M8 auto key programmer (MVP Pro clone).
You need 2 keys, one working key and another key blank.
In key pro M8 vehicle selection menu you select Subaru
Select By system
Select Post 2000
Select Type 8
Insert key into ignition, switch ignition ON
Select Special Functions in Diagnostic menu
Select Keys Programmed
Switch ignition ON
Key count 2
Select Program Keys
Switch ignition ON with working key
Remove the key
Switch ignition on with new virgin key
Key count 3.
New key has been successfully programmed
Start the car with the new key.