View and delete browser history in Microsoft Edge
Learn how to view and delete your browser history and other history in Microsoft Edge.
Activate Windows - Microsoft Support
Depending on how you got your copy of Windows 11, you'll need either a digital license or a 25-character product key to activate it. Without one of these, you won't be able to activate your device.
Defragment / optimize your data drives in Windows
Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.
Get started with Agent Mode in Word, Excel, and PowerPoint
Agent mode is a content creation agent in Microsoft 365 Copilot experiences within Word, Excel, and PowerPoint to create and edit content in place. Why use Agent Mode? No design skills required : Empowers you to create professional visuals without needing graphic design expertise. Taste-driven development: Results are not only accurate but also visually polished — documents and decks that ...
Disk Management in Windows - Microsoft Support
Note: Disk Management looks and works the same in Windows 10 and Windows 11. There are no feature differences between versions.
Welcome to Windows
Welcome to Windows 11! Learn about new features, upgrade FAQs, device lifecycles, and support options.
关闭、禁用或卸载 OneDrive - Microsoft 支持
可始终通过登录 OneDrive.com 来访问文件。 Windows 10/11 选择通知区域中的 OneDrive 云以显示 OneDrive 弹出窗口。 选择 OneDrive 帮助和设置图标 ,然后选择“ 设置 ”。 转到“ 帐户 ”选项卡。 选择“ 取消链接此电脑 ”,然后选择“ 取消链接帐户 ”。 macOS
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Microsoft Support
Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.
Backup, restore, and recovery in Windows - Microsoft Support
Learn about the different tools to backup and restore your data, and to recover Windows in case of a system failure.
下載並安裝或重新安裝 Office 2021、Office 2019 或 Office 2016
Office 2021、2019 或 2016 的 PC 安裝 記得一次性購買版的 Office 只 授權一次安裝。 根據你的瀏覽器,選擇在 Edge 或 Internet Explorer) 中開啟 檔案 (,在 Chrome) 選擇 設定 (,或在 Firefox) 選擇 儲存檔案 (。 如果您看到使用者帳戶控制的提示顯示 是否允許此應用程式變更您的裝置? 選取 是。 開始安裝。 當您 ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2016, Office 2016 for Mac