Learn how to troubleshoot and fix problems setting up your email in Outlook.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

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

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Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.