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Product activation for Windows – online & support telephone numbers
Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation ...
Install the latest updates for Windows - Microsoft Support
Install the latest updates for Windows. 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. To check for updates manually, select Start > Settings > Windows Update .
32 位和 64 位 Windows:常见问题解答 - Microsoft 支持
选择 " 开始 " 按钮 ,然后选择 "控制面板" 。 在搜索框中,键入“性能信息和工具”,然后在结果列表中,选择“性能信息和工具”。 获取有关 32 位和 64 位版本的 Windows 的一些常见问题解答。
重新安装 Windows - Microsoft 支持
下图提供了有关每种重新安装类型可以选择的不同选项的信息,包括应用、文件、个人数据以及重新安装所需的磁盘空间量。 使用此图表可帮助你决定使用哪个选项重新安装Windows 11。
下载适用于 Surface 的驱动程序和固件 - Microsoft 支持
下载适用于 Surface 的驱动程序和固件. Windows 11 Windows 10 Surface. 更新可让 Surface 发挥其最佳性能。. 除了Windows 10或 Windows 11 的软件更新外,还必须进行硬件更新,也称为驱动程序和固件更新。. 可以使用 Surface 应用快速检查 Surface 驱动程序和固件的运行状况。. 打开 ...
Photo viewer for Windows 10 - Microsoft Support
Windows Photo Viewer isn't part of Windows 10, but if you upgraded from Windows 7 or Windows 8.1, you might still have it. To check, press and hold (or right-click) a photo in File Explorer, and select Open with. If Windows Photo Viewer isn't in the list, you cannot install it on Windows 10.
Can't sign in to OneDrive - Microsoft Support
If you can't sign in to OneDrive work or school account, try to reset your password or alternatively, please contact your organization's IT Admin. 2. Check for updates. If you can sign in to OneDrive online, but not on your computer, check for updates. If your computer is up to date, reset OneDrive. 3.
适用于: OneDrive for Business, OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
Use Internet Explorer in Windows 10 - Microsoft Support
Internet Explorer 11 has been permanently disabled through a Microsoft Edge update on certain versions of Windows 10. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge. The same Internet Explorer 11 apps and sites you use today can open in Microsoft Edge with Internet Explorer mode. We recommend you use Microsoft Edge for a faster ...
关于 Office:我使用的是哪个版本的 Office? - Microsoft 支持
如果上面的步骤不起作用,那么你可能使用的是较早版本的 Office。 若要了解你所安装的版本,请参阅 查找其他版本的 Office 的详细信息 。 了解如何检查正在使用的 Office 版本。 查找 Office 应用的产品名称和版本号。
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 OneNote, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, 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, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, OneNote for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 小型企业管理员版, 由世纪互联运营的 Office 365 - 管理员版, Project Online, InfoPath 2013
Analyze Data in Excel - Microsoft Support
Analyze Data in Excel empowers you to understand your data through natural language queries that allow you to ask questions about your data without having to write complicated formulas. In addition, Analyze Data provides high-level visual summaries, trends, and patterns.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版