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在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
登录后,请遵照与您登录的账户类型相匹配的如下步骤。. 使用 Microsoft 帐户登录. 在 Microsoft 365 主页中选择“ 安装应用 ”。. 选择 “安装 (或根据你的版本, >) 安装应用 ”。. 使用工作或学校帐户登录. 在主页中选择“ 安装应用 (如果设置了其他起始页,请转到 ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
更改桌面背景图像 - Microsoft 支持
更改桌面背景图像. 你可以选择桌面背景并随时更改它。. 选择 “开始 > 设置” > “个性化 > 背景 ”。. 在 “个性化设置背景 ”旁边的列表中,选择“ 图片 ”、“ 纯色 ”、“ 幻灯片放映 ”或“ Windows 聚焦 (”,) 查看来自世界各地的新图像。. 注意: 如果无法 ...
为升级 Windows 11 准备就绪 - Microsoft 支持
安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后,Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪,请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ,然后选择“检查更新”。 如果升级适用于你的设备,并且想要继续,请下载并安装它。
Create workbook links - Microsoft Support
A workbook link (previously called an external reference) is a way to combine data from other workbooks or other sheets in the same workbook. You might want to use them to: Link workbooks from several departments and then integrate pertinent data into a summary workbook. When the source workbooks change, the summary workbook is updated.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
How to install programs from a disc on Windows 10
If installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.
Troubleshooting verification code issues - Microsoft Support
Troubleshoot unrequested verification codes. Note: If you're still not receiving verification codes, you may have to choose another method, or wait until you can access the phone or email you've listed. To protect your account and its contents, our support agents are not allowed to send verification codes or access and change account details.
Applies To: Microsoft account dashboard
デスクトップ テーマ - Microsoft サポート
テーマを取得する. テーマを取得するには、以下のいずれかのカテゴリを展開し、テーマのリンクを選択し、 [ 開く] を選択します。. PC にテーマが保存され、デスクトップに設定されます。. 詳しくは、「<c0>PC を個人用に設定する</c0>」をご覧ください ...
Multiply and divide numbers in Excel - Microsoft Support
Multiply numbers in different cells by using a formula. You can use the PRODUCT function to multiply numbers, cells, and ranges.. You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT(A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4 ...
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
如何使用电脑健康状况检查应用 - Microsoft 支持
如何打开电脑健康状况检查. 在 Windows 中,使用任务栏上的“搜索”来搜索“电脑健康状况检查”,然后从结果列表中选择它。. 如果电脑健康状况检查更新可用,则可以快速安装最新版本。. 如果未安装电脑运行状况检查,可以通过转到 https://aka.ms ...
查找 Windows 产品密钥 - Microsoft 支持
查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时,通常需要产品密钥。. 通常,如果购买的是实物 Windows 拷贝,产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。. 如果 Windows 已预先安装在计算机上,产品密钥应显示在设备 ...
Applies To: Microsoft account dashboard