: A valid serial number XXXX-YYYY-YYYY-YYYY-YYYY-YYYY prevents common errors like "The serial number is already in use" or "Invalid serial number" that frequently plague unofficial copies.
: For physical copies, the key is usually on a card inside the CD case or printed on the EULA.
: Digital purchases include the serial number in the receipt sent by the merchant.
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Patreon: A valid serial number XXXX-YYYY-YYYY-YYYY-YYYY-YYYY prevents common errors like "The serial number is already in use" or "Invalid serial number" that frequently plague unofficial copies.
: For physical copies, the key is usually on a card inside the CD case or printed on the EULA.
: Digital purchases include the serial number in the receipt sent by the merchant.
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