Windows 8.1 reached the end of support (EOS) on January 10, 2023, at which point technical assistance and software updates are no longer provided. If you have devices running Windows 8.1, we recommend upgrading them to a more current, in-service, and supported Windows release. If devices do not meet the technical requirements to run a more current release of Windows, we recommend that you ...

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Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

For additional information about the Scanreg.ini file, click the article number below to view the article in the Microsoft Knowledge Base: 183603 How to Customize Registry Checker Tool Settings To start the Windows Registry Checker tool, click Start, click Run, type scanregw.exe in the Open box, and then click OK. NOTE: To use the Windows Registry Checker tool with the /restore parameter, you ...

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

A cross-reference allows you to link to other parts of the same document. For example, you might use a cross-reference to link to a chart or graphic that appears elsewhere in the document.

如果你的团队使用通讯组列表、文件共享和协作记笔记来完成工作，则你会喜欢在 Outlook 中 Microsoft 365 组 。 Microsoft 365 组 是一个功能强大且高效的平台，将来自 Outlook 的对话和日历、来自 SharePoint 的文件、来自 Planner 的任务以及共享 OneNote 笔记本汇集到团队的单个协作空间中。

Windows Media Player is available for Windows-based devices. Use this table to find the right version of the Player for your system. (If you've got a Mac, you can download Windows Media Components for QuickTime to play Windows Media files.)

发布时间：2021 年 8 月. 本文适用于由于电脑当前无法安全启动而无法升级到 Windows 11的用户。 如果你不熟悉此级别的技术详细信息，我们建议你查阅电脑制造商的支持信息，获取特定于你的设备的更多说明。

注意: 某些版本的 Project 没有关联的Microsoft帐户、工作或学校帐户，或者你需要以其他方式兑换产品密钥。如果这是你获取 Project Professional 2021、Project Professional 2019、Project Standard 2021、 或 Project Standard 2019 的版本的方式，请参阅以下内容： Microsoft 工作区折扣计划(以前称为家用许可计划)：你通过公司 ...