If you're having difficulty entering a serial number when activating your professional software product, keep these tips in mind: Make sure you are reading from the original serial number label that came with the product. Be sure to enter your first and last name, and verify there are no mistakes in the serial number field. Some numbers and letters look similar, so make sure you don't mistake a zero for the letter O and the number 1 for the letter i or lowercase L. Enter the dashes in the serial number.
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