Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Learn how Smart charging in Windows can help your battery last longer over time.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...