The customer service for product key activation is available over the phone. The customers do not need to take their computers to the service centre for the relevant support on the product key activation related issues. They will be provided 24X7 support across all days of the year, through our customer service team. The customers can call on the toll-free customer service number, which is provided on our official website. On calling this number, the customer will be provided intensive support to resolve his/her issues. We provide importance to customer satisfaction; hence we try to address the issues for the customers to the best of their satisfaction. The McAfee Setup Installation Support 1-888-964-8356 team is very experienced in this field and they provide quality and continuous support to the customers.