Download and install the latest printer drivers | Microsoft Support
Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.
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解决 Windows 上的 Game Bar 问题 | Xbox Support
我如何在平板电脑上使用 Game Bar？ 对于未连接物理键盘的平板电脑，无法使用基于 Windows 键的 Game Bar 快捷方式，但可以创建自己的使用虚拟键盘上可用按键的快捷方式。 为此，请按 Windows 徽标键 + G 打开游戏栏，选择 “设置” > 更多设置 > 快捷方式，输入首选快捷方式，然后按 “保存”。
Sign in to Microsoft 365
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
How to check if your email address is a Microsoft account
Create a strong password and click on Next. Enter your first and last name and click on Next. Select your country or region and your birthdate and click on Next. Enter the captcha code and click on Next. Verify your email address by entering the code that Microsoft sends to your email and click on Next. Learn more What is a Microsoft account? You forgot your Microsoft account username Need ...
Applies To:
Microsoft account dashboard
2026 年 8 月 27 日 - KB5120998 (OS 内部版本 26200.9278 和 26100.9278) 预览版
此适用于 Windows 11 版本 25H2 和 24H2 (KB5120998) 的累积更新包括生产质量改进。 公告和消息 本部分提供与此版本相关的重要通知，包括公告、更改日志和终止支持通知。 Windows 安全启动证书过期 重要提示： 大多数 Windows 设备使用的安全启动证书从 2026 年 6 月开始过期。 在过去的几个月里，Microsoft 一直 ...
Fix printer connection and printing problems in Windows
Windows 11 Windows 10 Printers are essential devices in many homes and workplaces, but they can sometimes run into problems when used with Windows operating systems. This article covers common printer problems in Windows, including printer not found, print jobs stuck in the queue, printer spooler crashes, and more, along with step-by-step troubleshooting solutions for each issue.
更新 Windows 中的蓝牙驱动程序 | Microsoft Support
Windows 11 Windows 10 更新蓝牙驱动程序有助于解决连接、配对或检测问题。 使用以下步骤更新驱动程序。 使用 设备管理器 更新蓝牙驱动程序 选择“ 开始”，键入 “设备管理器”， 然后从结果中选择它。 展开 “蓝牙 ”以查看蓝牙设备和适配器的列表。 右键单击蓝牙适配器，然后选择“ 更新驱动 ...
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Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office.