Top customer issues and solutions

• Troubleshoot Internet Explorer stop, restart, or crash problems
• How to upgrade to Microsoft Windows Vista
• Error message in Windows XP Wireless Network Setup Wizard
• Activate Microsoft Windows Vista
• Save earlier versions of Excel, PowerPoint, and Word in Office 2007

Most popular solution centers

• Windows Vista Solution Center
• Windows XP Solution Center
• Windows Internet Explorer 7 Solution Center
• Office Outlook 2003 Solution Center
• 2007 Microsoft Office Suites Solution Center

Self support

Start here for how-to, troubleshooting, downloads, and product information.

• Find support and troubleshooting topics by product
• Search the Knowledge Base
• Search Microsoft Technical Communities
• Find out how long your product is supported

Need more help?

Contact a support professional by e-mail, online chat, or telephone.

• Select a product to start
• View support requests you have submitted online

Downloads and updates

Update your computer with Microsoft's latest downloads and services.

• Download a free trial of Windows Live OneCare – all-in-one PC care from Microsoft
• Help fight spyware. Download Windows Defender for free
• Visit Microsoft Update to get updates for Windows, your programs, your hardware or your devices
• See all Microsoft security-related products and services