Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.
Delay or schedule sending email messages in Outlook
Compose a message now, but schedule it to be sent later.
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 网页版, Outlook.com, 新的 Outlook for Windows, 适用于 Exchange Server 2016 的 Outlook 网页版, 适用于 Exchange Server 2019 的 Outlook 网页版
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。 重新安装 Microsoft 365 如果 Microsoft 365 最初是预安装的，并且你需要在同一设备或新设备上进行重新安装，那么你应该已经有一个与你的 Microsoft 365 副本关联的 Microsoft 帐户。
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Cómo iniciar sesión en Hotmail - Soporte técnico de Microsoft
Hotmail está ahora Outlook.com. Aprenda a iniciar sesión para acceder a su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN.
适用于:
Outlook.com
Get updates for apps and games in Microsoft Store
Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.
Installing Microsoft Defender - Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.
适用于:
Android 上的 Microsoft Defender, iOS 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
Change default programs in Windows - Microsoft Support
To change the default app, you can do either of the following: Set a default for a file type or link type In the search bar, enter the file type or link type you want, then select it from the list of results.
Uninstall or remove apps and programs in Windows
Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown.
Überprüfen, ob Ihr Gerät die Windows 11-Systemanforderungen nach dem ...
Wenn Sie kürzlich Änderungen an Ihrer Hardware vorgenommen haben und überprüfen möchten, ob Ihr Computer jetzt die Anforderungen für Windows 11 erfüllt, können Sie dies am einfachsten mit der App zur PC-Integritätsprüfung erledigen: Falls noch nicht geschehen, installieren Sie die App zur PC-Integritätsprüfung hier.
Find the Recycle Bin - Microsoft Support
Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View.If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this: