Change your default security info method. If you want text messaging to be the default method used when you sign in to your work or school account using two-factor verification or for password reset requests, you can set it from the Security info page.

Summary. Microsoft is aware of new variants of the class of attack known as speculative execution side-channel vulnerabilities. The variants are named L1 Terminal Fault (L1TF) and Microarchitectural Data Sampling (MDS).An attacker who can successfully exploit L1TF or MDS may be able to read privileged data across trust boundaries.

注意: 如果连接到电脑的设备（例如显示器、打印机或扫描仪）在从睡眠状态或休眠状态唤醒后不能正确工作，你可能需要先断开设备连接并重新连接或重新启动电脑。还应确保你具有适用于所有设备的最新驱动程序。

Battery saver is turned off.To find out if battery saver is turned on or off, select Start , then search for settings.Select Settings > System > Power & battery.If you want the best HDR video experience even when battery saver is turned on, select Battery saver, then turn off Lower screen brightness when using battery saver.For the best HDR video experience, Windows needs to be able to set ...

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

如何启用 tpm. 如果需要启用 tpm，这些设置将通过 uefi bios (电脑固件) 进行管理，并且因设备而异。 可以通过选择“设置 >更新&安全性>恢复> 立即重启”来访问这些设置。 在下一屏幕中，选择“ 故障排除 > 高级选项 ”> “uefi 固件设置” > “重启 ”进行更改。 这些设置有时包含在 uefi bios 中标有 ...

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

弹出窗口阻止程序无法阻止哪些弹窗？ 如果在启用此功能并且尝试了上面列出的解决方案后，网页中仍然显示了弹出窗口，则它们可能是网站广告，以弹出窗口的样子呈现。

为了帮助保护你的隐私，新版 Microsoft Edge 将跟踪防护设置为默认均衡。 为了增强保护，可以将“跟踪防护”切换为“严格”或“阻止所有第三方 Cookie”。