重置忘记的 Microsoft 帐户密码 - Microsoft 支持
了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。 重要: 如果看不到用于在何处发送代码的选项，或者你不再有权访问显示的任何验证选项，请使用此登录帮助程序工具。 如果无法识别任何验证电子邮件或电话选项，请使用此登录帮助程序工具。
适用于:
Microsoft 帐户仪表板
Sign in to SharePoint - Microsoft Support
Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.
适用于:
Microsoft 365 中的 SharePoint
Install mobile apps and the Amazon Appstore on Windows
Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.
How do I use the Fn key/F Lock key/Alternate command keys?
Keys with an Fn key or F Lock provide two sets of commands for many keys. This includes the top row of standard function keys (F1–F12). Standard commands are labeled on the front of the keys (such as F3).
Install Office updates - Microsoft Support
Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
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, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Office 2016, 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, InfoPath 2013, InfoPath Filler 2013
Upgrade to Windows 10 Pro - Microsoft Support
Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.
檢查您的 DirectX 版本 - Microsoft 支援服務
檢查您的版本 DirectX 是許多 Windows 遊戲不可缺少的多媒體技術套件。 如果您的電腦未安裝正確版本的 DirectX (產品方塊會告知您所需的版本)，您的遊戲可能無法正常運作。
如何安装最新版本的 DirectX - Microsoft 支持
本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。 DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。
Open Device Manager - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Windows 11 System Requirements - Microsoft Support
Note: This article explains the minimum system requirements for running Windows 11 on a PC. Minimum system requirements are designed to provide a great computing experience across a variety of devices, now and into the future.