If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store. Microsoft Store is familiar on any device—you can search for free and paid apps like Adobe Reader, view their popularity and ratings, and download them to your device. When you install an app from Microsoft Store, it will follow you to ...

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Resetting your PC in Windows is a powerful feature that allows you to restore your device to its original state, which can be useful whether you're experiencing performance issues, software problems, or simply want a fresh start. This feature is designed to be user-friendly and provides several options to suit different needs. Reset options Here's a list of options when resetting your PC:

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。 如果已兑换产品密钥、重新安装应用，或者已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。 展开下面的“ 了解详细 ...

Training: Sign in to office.com with your Microsoft personal, work, or school account. Watch this video to learn how.

Learn how to navigate Windows using keyboard shortcuts. Explore a full list of taskbar, command prompt, and general Windows shortcuts.

重要: 对 Office 2016 和 Office 2019 的支持将于 2025 年 10 月 14 日结束，并且没有扩展安全更新。 所有 Office 2016 和 Office 2019 应用将继续正常运行。 但是，你可能将自己暴露在严重并且可能有害的安全风险之下。