Here are the revised step-by-step instructions:

  1. Connect your AutoCal device to your computer.
  2. Launch the EFILive V8 Scan and Tune application.
  3. Access the F7: Licenses button located in the left-hand pane.
  4. Navigate to the F2: Hardware tab within the Licenses section.

Copy the Serial Number displayed in the Serial Number field for VIN License procurement.

  1. Navigate to the F3: VIN tab to view VIN License details.
  1. To obtain the Authentication Code for VIN License purchases, select the [Generate Auth Code] button. The Authentication Code will then be displayed in the Auth Code field. If the available VIN license slot count is zero, customers will not be able to order VIN Licenses until the VIN License slot limit is increased by TheDPFDelete.

If the validation of the serial and authentication code fails, an error code will be indicated. Customers should refer to the error code details and VIN License validation assistance available here. It’s crucial to ensure that the information entered precisely matches what is displayed in the EFILive software. Here are some steps to troubleshoot:

  1. Confirm the software version used to generate the authentication code.
  2. Check for any spaces at the beginning or end of the code.
  3. Ensure hyphens are included where necessary.
  4. The serial number should be either 10 or 12 characters long.
  5. The authentication code must be exactly 20 characters in length.
  6. Verify that the quantity limit has not been exceeded.
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