使用系統檔案檢查程式工具來修復遺失或損毀的系統檔案 - Microsoft 支援服務
如果您執行的是 Windows 10、Windows 8.1 或 Windows 8，在執行系統檔案檢查程式之前，請先執行收件匣部署映像服務與管理 (DISM) 工具。. (如果您執行的是 Windows 7 或 Windows Vista，請跳至步驟 3.) 輸入下列命令，然後按下 Enter。. 可能需要幾分鐘的時間才能完成命令作業 ...
Update to the new Microsoft Edge - Microsoft Support
At the top corner of the browser, select Settings and more > Settings . To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts. To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.
Use the Office offline installer - Microsoft Support
Step 2. Install Office. Select the Microsoft 365 folder from the virtual drive and then double-click either the Setup32.exe to install the 32-bit version of Microsoft 365, or Setup64.exe to install the 64-bit version to begin the offline installation. If you're not sure which version is right for you, see Choose the 64-bit or 32-bit version of Office. ...
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
IF 函数 - Microsoft 支持
在此示例中，单元格 D2 中的公式表示：IF(C2 = 1, then return Yes, otherwise return No)如你所见，IF 函数可用于计算文本和数值。它还可用于计算错误。 不仅可以检查一项内容是否等于另一项内容并返回单个结果，而且还可以根据需要使用数学运算符并执行其他计算。
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
How to install the latest version of DirectX - Microsoft Support
DirectX is a set of components in Windows that allows software, primarily and especially games, to work directly with your video and audio hardware. Games that use DirectX can use multimedia accelerator features built-in to your hardware more efficiently which improves your overall multimedia experience.
IRR 函数 - Microsoft 支持
IRR (values, [guess]) IRR 函数语法具有下列参数：. 值： 必需。. 数组或单元格的引用，这些单元格包含用来计算内部收益率的数字。. Values 必须包含至少一个正值和一个负值，以计算返回的内部收益率。. IRR 使用值的顺序来说明现金流的顺序。. 一定要按您需要的 ...
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
使用中の Windows オペレーティング システムのバージョンを確認する - Microsoft サポート
Windows 8.1 または Windows RT 8.1 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ キー キー+ Rを押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 デバイスが Windows 8.1 または Windows RT 8.1 を実行している ...
Install mobile apps and the Amazon Appstore on Windows
Install the Amazon Appstore. To install the Amazon Appstore, you'll need to install it from the Microsoft Store. Get the Amazon Appstore. After it's finished installing, the Amazon Appstore and the Windows Subsystem for Android™ Settings app will appear in the Start menu and your app list. When you're ready, open the Amazon Appstore and sign ...
安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
安装 Windows 7 Service Pack 1 (SP1) Windows 7 支持已于 2020 年 1 月 14 日结束。. 我们建议你转到 Windows 11 电脑来继续从 Microsoft 接收安全更新。. 获取 SP1的推荐（并且最简单）方法是在“控制面板”中的“Windows 更新”中打开自动更新，然后等待 Windows 7 通知你 SP1 已准备 ...
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.