Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

详细了解 Xbox 数字代码和礼品卡，以及如何解决兑换内容的问题。

使用家庭组中组织者的 Microsoft 帐户登录到主机。 按“Xbox”按钮 打开导航页。 选择“档案和系统” > “设置” > “帐户” > “家庭设置” > “管理家庭成员”，然后选择希望管理的成员帐户。 选择“隐私和在线安全” > “Xbox 隐私”。 选择“儿童”、“青少年”或“成人”默认设置，或通过选择 ...

In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。

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。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。

按“开始”按钮 ，然后在“搜索”框中输入“Xbox”。 从结果中选择 Xbox 应用以打开该应用。; 选择左上角的玩家图片，然后选择“设置”。 在“兑换代码”下选择“兑换”。 输入由 25 个字符组成的代码，选择 下一步，然后按照提示操作。