This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Learn how to give apps permission to use your microphone in Windows 11, 10, 8.1, or 7. Find solutions for common microphone issues such as low volume, no detection, or mute button.

Learn how to create and use app passwords for devices that don't support two-step verification. App passwords are long, randomly generated passwords that you provide only once instead of your regular Microsoft account password.

Learn how to use Windows 11 features such as universal search, desktops, keyboard shortcuts, OneDrive, and more. Watch a video and read tips to get started with Windows 11.

Learn how to access your webcam or camera using the Camera app in Windows 11 or Windows 10. Find out how to switch between multiple cameras, troubleshoot camera issues, and manage app permissions.

Learn how to register your security info and mobile device to reset your work or school password if you forgot it or got locked out. Find out the common problems and solutions for password reset feature.

Microsoft sends you an email and an SMS if it detects a sign-in attempt from a new location or device. Learn how to respond, update your security contact info, and protect your account from unauthorized access.

Learn different ways to find help for Windows 10, such as using the search box, the Tips app, the Get help link, or the support website. Find answers to your questions, browse support content, and contact support if needed.

在网页上加入 Teams 会议. 没有 Teams 应用？ 你仍然可以加入 Teams 会议。 在电子邮件邀请中，选择“ 立即加入会议”。 还可以使用电子邮件中的拨入号码和会议 ID 进行拨入。

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。