Change the power mode for your Windows PC - Microsoft Support
Choose the power mode that works for you and what you want to do on your Windows 11 PC. This lets you determine what’s important to you—getting the best battery life, best performance, or a balance between the two. To change the power mode, select Start > Settings > System > Power & battery.
Touch gestures for Windows - Microsoft Support
You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.
使用截图工具捕获截图 - Microsoft 支持
拍摄快照以从全部或部分电脑屏幕上复制字词或图像。. 使用截图工具进行更改或作笔记，然后保存和共享。. 捕获以下任意类型的截图：. 自由格式截图. 在对象周围绘制自由形状。. 矩形截图. 绕对象拖动光标以构成一个矩形。. 窗口截图. 选择一个要捕获的窗口 ...
How to use focus in Windows 11 - Microsoft Support
Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration. Note: Do not disturb has replaced focus assist from Windows 10.
激活 Office - Microsoft 支持
选择下面的 Microsoft 365 版本，了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 Office 产品密钥. 解决 ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Windows 11, version 23H2 update history - Microsoft Support
The update history page will provide you with the build numbers for 22H2 and 23H2. This will make it easier for support to assist you if you encounter issues. This new update will be cumulative with all the newly announced features including Copilot in Windows (in preview) plus additional changes.
欢迎使用 Windows 中的 Copilot - Microsoft 支持
Copilot 可帮助你从整个 Web 获取答案和灵感，支持创造力和协作，并帮助你专注于手头的任务。. 在发往 Copilot PC 可用的欧盟和其他市场的新款 Windows 11 电脑和新款 Copilot 电脑上，Copilot 应用将固定到 Windows 任务栏。. 对于现有的 Windows 11 电脑，可用时间和交付方法 ...
SUMIF 函数 - Microsoft 支持
SUMIF. 函数语法具有以下参数：. 范围 必需。. 希望通过标准评估的单元格范围。. 每个范围内的单元格必须是数字或名称、数组或包含数字的引用。. 空白和文本值将被忽略。. 选定的范围可以包含标准Excel格式的日期（如下例）。. criteria 必需。. criteria 以数字 ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Microsoft Edge 帮助和学习
通过 Microsoft 365 查找构建、运行和发展小型企业所需的信息。. 访问小型企业帮助和学习. 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。.