Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.

Learn how to receive a refund or exchange for items purchased from Microsoft.

Find out how the Windows location service works and how to change the location privacy settings.

Learn more about what background apps are in Windows and how to turn them off when you're not using them.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.