Learn about the message "Wi-Fi isn't secure" that appears in Windows when you're connected to a Wi-Fi network that's not secure.

Learn how to unblock a Microsoft 365 file or presentation that was blocked for security reasons.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results.

Learn which languages are supported in Narrator in Windows and how to adjust your Narrator Settings.

If you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date, there are several things you can do to fix the problem.

Describes an update that adds TLS 1.1 and TLS 1.2 to default security protocols in Windows Server 2012, Windows 7 SP1, and Windows Server 2008 R2 SP1.

汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.

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