- Home users:Skip the details
Download the updates for your home computer or for your portable computer from the Microsoft Update Web site now: - IT professionals:
For home users, no-charge support is available by calling 1-866-PCSAFETY in the United States and in Canada or by contacting your local Microsoft subsidiary. For more information about how to contact your local Microsoft subsidiary for security update support issues, visit the following International Support Web site: For enterprise customers, support for security updates is available through your usual support contacts.