Step by step follow me:

1.You should select "Cut by Bitting" Then click key blank and confiem.

2.You should select key type and confiem.

3. a. If you without original key,please put the Blank Key in the properly
position of the the clamp display on the screen. Then enter bitting and
verify,click on "cut" to star.

b. If you existing the original key, please click on "Decode key", the found
bitting will display on the screen.

Then you should enter Verify bitting and modify bitting if needed, Click on "cut" to star.