取决于你获取 Windows 11 副本的方式，你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。 如果二者都不具备，则无法激活你的设备。 数字许可证（在 Windows 11 版本中称为数字授权）是 Windows 11 的一种激活方法，该方法不需要输入产品密钥。

Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.

You’ll have to reset your PC or upgrade the version of Windows on your device. Make sure you’ve backed up your files and important documents before proceeding with either one of these steps. For more information on how to do this and what precautions to take, visit the following pages: Reset your PC Get ready for the Windows 11 upgrade

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Last updated: May 2026 Introduction to AI credits and limits Microsoft 365 Personal, Microsoft 365 Family and Microsoft 365 Premium plans include the latest AI features to power your productivity and creativity. Some of these features have limits to the number of times they can be used within a specific time period while others require the use of AI credits. Limit and AI credit allotments ...

游戏和聊天转录 听录会大声朗读你在游戏或群聊天中为用户键入的文本，我们称之为文本到语音转换。 启用“让游戏向我朗读”还允许某些游戏朗读屏幕上显示的某些字词。 在 Xbox 和 Windows 设备上使用游戏或聊天转录

Remediations require Windows 10/11 Enterprise E3/E5, Education A3/A5, or F3 licenses. If your devices have Business Premium or Pro licenses only, Remediations will not be available.

订阅退款 你可以随时取消 Xbox 订阅。 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。 若要详细了解 Xbox 订阅的退款策略以及如何取消订阅，请转到： Xbox 订阅取消和退款 可在此处检查 Xbox 订阅的状态 ...

摘要 本文介绍如何存储、访问和编辑存储在 Microsoft 密码管理器中的密码和密钥。

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。