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.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

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

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Learn how to access, share, or clear your Microsoft search history through the privacy dashboard.

获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Learn how to connect Windows Search with your accounts in the cloud, manage your Windows Search and SafeSearch settings, clear search history, and more.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)