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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.
Download files from the web - Microsoft Support
Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.
在 Android 上安装和设置 Office - Microsoft 支持
按照说明购买计划,或者如果想要在没有订阅的情况下使用应用,请选择 “以后可以 ”。 请注意,如果使用Microsoft 365 订阅,将获得 额外的功能 。 如果 Android 设备上安装有其他 Office 应用,将自动添加帐户和 OneDrive 文件。
Applies To: Microsoft 365 for home, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office app for Android
Finding your BitLocker recovery key in Windows
Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:
Windows 登入選項和帳戶保護 - Microsoft 支援服務
Windows Hello. Windows Hello 可讓您使用您的臉部、虹膜、指紋或 PIN,登入您的裝置、應用程式、線上服務和網路。 即使您的 Windows 裝置可以使用 Windows Hello 生物識別技術,您也能選擇不使用。
Office 2021 中的新增功能 - Microsoft 支持
重要: 如果通过 Microsoft 365 (或Office 365) 计划拥有订阅,则与 2021 Office 2021 或 Office LTSC 不同。例如,如果已在使用 Microsoft 365 或者组织已将以前名为 Office 365 专业增强版) 的企业 ( Microsoft 365 应用版 部署到组织中的用户,则无需 Office 2021 或 2021 Office LTSC 。
Applies To: Office 2021, Office 2021 for Mac
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
获取有关 Windows 激活错误的帮助 - Microsoft 支持
尚未运行 Windows 11? 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11,并且最近更换了重要的硬件(如更换主板)或重新安装了 Windows,则“激活疑难解答”有可能帮助重新激活 Windows。
订阅和计费 | Xbox Support
获取与管理你的 Xbox 订阅、帐单问题等有关的详细信息。
Change notification and quick settings in Windows
Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.