借助 Teams 的外部访问，你可以添加或邀请 Teams 组织外部使用 Teams、Teams 个人使用、面向消费者的 Skype 以及Skype for Business一对一聊天的人员。

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Whether you like to apply changes that affect your photo's quality, feel, and look—or you want to add information on top of your photos, the Microsoft Photos app in Windows gives you all kinds of options for getting your photos and videos looking their best.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

在 Outlook 中创建 PLC 组 (Office 365 教育版) 专业学习社区 (PLC) 组是一种 Microsoft 365 组，可为教育工作者提供一个共享空间用于协作。

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.