Connect AutoCal/V2 to computer using the supplied USB cable and wait for device drivers to install successfully.
Open The EFI Live V8 Scan & Tune program (icon will be located on users desktop)
Click on the F7: Licenses tab (located on the left side of the screen).
Click on the F3: VINs tab.
Enter the Activation Code provided in the Activation Code field.
Increase the License Number field by the number of licenses ordered (If your device has one license that has already been used and you ordered one VIN license, you will change the License Number field to 2).
Click the ‘Activate VIN License’ button.
If done properly, you should receive a prompt that says VIN Licenses Successfully Added!