Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.