The description offers an activation key for Windows 7 Professional with delivery by email. Product specifications include 100% genuine, multilingual key, with lifetime license, online activation. After purchase, the customer receives the activation key, an installation guide, and benefits from customer support and technical assistance available via WhatsApp or email. After-sales support includes follow-up for issues with the key or software, with the option of key replacement if invalid. Satisfaction is guaranteed, with a 100% refund policy if replacement key is not provided in the event of disability. The region of validity of the codes, and the possibility of reimbursement in the event of a key malfunction. The description highlights instructions for using the key quickly. It promotes the benefits of Windows 7 Pro in stability, performance, and compatibility with professional applications, while noting that Microsoft recommends upgrading to newer versions for security and compatibility reasons.