If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

Note: This article explains the minimum system requirements for running Windows 11 on a PC. Minimum system requirements are designed to provide a great computing experience across a variety of devices, now and into the future.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

使用 Windows 设置应用更改桌面背景和颜色。 在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

Learn how to install Office 2010, or install and remove individual Office programs or components for both 32-bit and 64-bit versions of Office.

開始する前に、Windows 11 PC が Bluetooth をサポートしていることを確認します。 確認方法の詳細については、「Windows の Bluetooth の問題を解決する」を参照してください。 Bluetooth 機能を備えていないデバイスの追加についてのヘルプは、「Windows PC にデバイスを追加する」を参照してください。

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。 如果出现此屏幕，则 Microsoft 365 安装为 Microsoft 365 家庭版 试用版 如果登录到新设备上预安装的 Microsoft 365，但没有与帐户关联的 Microsoft 365 产品，则将看到此屏幕。

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.