Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.

Learn how to insert ASCII or Unicode characters using character codes or the Character Map.

Learn how to pin an app to the taskbar from the Start menu or apps list by right-clicking and selecting the "Pin to taskbar" option.

了解如何添加新的 Xbox 好友，以便快速在线找到他们，为你的下一场游戏冒险做好准备。

下面的步骤介绍如何更改 已知 密码。 如果你因忘记密码而需要 重置 密码，请参阅 重置 Microsoft 帐户密码 。. 更改密码. 转到 account.microsoft.com，如果你尚未登录，则使用要更新的帐户的用户名和密码登录。

详细了解如何为 Xbox 订阅或数字产品申请退款。

To get your team up and running in Microsoft Teams, create a team, add people, and add channels. Create a team. Select Join or create a team.. This is where you create your own team, or discover existing ones.

安排会议. 可通过以下几种方式在 Teams 中安排会议： 若要安排与聊天成员的会议，请打开聊天，然后选择聊天顶部的“ 更多选项 ” 。 然后，选择“ 安排会议 ”。

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

了解 Microsoft 365 订阅、Office 2016 和免费 Office Online 应用之间的区别。