Se esta for a primeira vez que você instala o Microsoft 365, talvez seja necessário seguir algumas etapas de configuração primeiro. Expanda a seção a seguir para saber mais. No entanto, se você está reinstalando o Microsoft 365 e já resgatou uma chave do produto e tem uma conta associada ao Microsoft 365, vá para a seção entrar para baixar o Office.

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动 ...

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了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。 重要: 如果看不到用于在何处发送代码的选项，或者你不再有权访问显示的任何验证选项，请使用此登录帮助程序工具。 如果无法识别任何验证电子邮件或电话选项，请使用此登录帮助程序工具。

Tip: If you installed the Microsoft 365 apps as part of a suite, such as Office Home and Student or Microsoft 365, search for the suite name.For stand-alone apps search by the app name, such as Project or Visio. In most cases you can't uninstall an individual app if it's included in your Microsoft 365 suite.

Windows 11 is designed to bring you closer to what you love and is releasing at a time when the PC is playing an even more central role in the way we connect, create and play.

On a Mac? See Check for Office for Mac updates automatically.. Click here for the Latest updates for versions of Office that use Windows Installer (MSI).. Choose your version of Office. If you're not sure what version of Office you have, see What version of Office am I using?. Not sure which type of install you have?

如果这是你第一次安装Microsoft 365 或 Office，则可能必须完成一组预安装步骤，或者可能需要遵循不同于下面所示的步骤。 你执行的操作取决于你的 Microsoft 365 或 Office 副本是家庭 产品还是商业 产品，以及你是否拥有仍需要兑换的产品密钥、已与产品关联的帐户或预分配的许可证。

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

As you saw above, the DATEDIF function calculates the difference between a start date and an end date. However, instead of typing specific dates, you can also use the TODAY() function inside the formula. When you use the TODAY() function, Excel uses your computer's current date for the date.