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Installing Windows 11 on devices that don't meet minimum system ...
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Show or hide the Recycle Bin - Microsoft Support
Notes: To get to desktop icon settings in Windows 8.1, swipe in from the right edge of the screen, then select Search.Type desktop icons in the search box, and then select Show or hide common icons on the desktop.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
在投影的电脑上,选择 “Windows 徽标键 + K ”,然后选择要连接到的电脑。 或者,可以在 Windows 搜索栏中搜索 “强制转换 ”,然后选择“ 连接到无线显示器”。在“显示设置”页上的“ 多个显示器”下,选择“ 连接到无线显示器”,然后选择“ 连接”。
Pin an app to the taskbar - Microsoft Support
From the Start menu or apps list, press and hold (or right-click) an app, then, if available, select Pin to taskbar .
Use the SUM function to sum numbers in a range
You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM(A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6. Here’s a formula that uses two cell ranges: =SUM(A2:A4,C2:C3) sums the numbers in ranges A2:A4 and C2:C3.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
在 Windows 中启用和禁用触摸屏 - Microsoft 支持
在窗口顶部,选择“操作”选项卡。 选择“禁用设备”或“启用设备”,然后确认。 如果列出了多个符合 hid 标准的触摸屏设备,请也为该项执行步骤 2-3。
Office Help & Training
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Where are my contacts in Windows 10? - Microsoft Support
Use the People app to see all your contacts in one place, listed alphabetically. To open the app, select the Start button, and then select People.Enter your account info if you’re asked to sign in.
激活 Windows - Microsoft 支持
若要在 Windows 11 中检查激活状态,请选择“开始 ”按钮,然后选择“设置 > 系统 ” ,然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息:
Microsoft Store doesn't open - Microsoft Support
If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.