NOTE: This item is an electronic E-Book in .pdf format that cannot be shipped. Upon completion of the payment, you will promptly receive an email containing the (d/l) to access your purchase within a minute. No activation key is required. Please be informed that this product is intended for educational purposes only. By making a payment, you are essentially acquiring a secure (d/l), as the item itself is (100 % complimentary). It has been thoroughly tested and certified virus-free for all electronic devices, whether Mac or PC. Rest assured that the item has undergone a comprehensive inspection and matches the description provided in the advertisement. Kindly note that all sales are considered final, and the (d/l) is non-cancelable and non-returnable. The materials shared are intended for research, educational, and personal use in accordance with fair use principle.