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了解 Windows 上的 Game Bar | Xbox Support
了解如何使用 Windows 上的 Game Bar 来捕获游戏过程、与好友聊天和跟踪成就。
Change the refresh rate on your monitor in Windows
Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.
How do I use the BIOS/UEFI on Surface Pro 3 and earlier devices
Important: Under normal circumstances, there’s no need for you to change UEFI settings.If you change these settings, you risk the security of your Surface. But if you ever need access to the firmware features of your Surface, here's the basic info:
Get more done with multitasking in Windows - Microsoft Support
Pivot instantly with Snap Groups & Desktop. When working on a specific task, snap two or more open apps or windows to create a snap group. When you want to get back to the snap group later, hover over one of your open apps in the taskbar to find it.
Troubleshooting offline printer problems in Windows
To find out if your printer is connected to Wi-Fi, see if your printer's built-in menu has options for checking its Wi-Fi connection, or check the printer's manual for instructions about how to add it to a Wi-Fi network.
Find your product key for Office 2007 - Microsoft Support
If it's hard to read the product key on your packaging, use this guide to help you tell the numbers and letters apart: If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund.
Applies To: Excel 2007, Word 2007, Outlook 2007, PowerPoint 2007, Access 2007, OneNote 2007, Project 2007, Project Standard 2007, Publisher 2007, Visio 2007, Visio Standard 2007
SUMIFS Function - support.office.com
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What's new in Word 2021 for Windows - Microsoft Support
Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.
Applies To: Word 2021
使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 vlookup、hlookup 和其他函数(如 index 和 match)根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup,然后链接到更多内容。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
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: