Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag.

除原装 Xbox 无线控制器外，其他都可以通过无线方式获取更新，而不必使用 USB 缆线进行连接。 此控制器底部有 3.5 毫米圆形小端口（如果控制器有此端口，仅可通过 USB 缆线进行更新）。

On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always.The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it.

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

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

Erfahren Sie, wie Sie die Windows Update-Problembehandlung ausführen, um Fehler beim Herunterladen oder Installieren von Windows zu beheben.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.