Find out how to stop your screen from flickering after the upgrade to Windows 10.

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

Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

System requirements and setup steps for the Phone Link app

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。

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.