Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

了解如何在電腦或 Mac 上安裝、重新安裝或啟用 Microsoft 365 或 Office 2024。

了解如何在电脑或 Mac 上安装、重新安装或激活 Microsoft 365 或 Office 2024。

Note: If you were installing a non subscription Office product, such as Office 2024, the license for that product will update soon after the install is completed.

重要: 對 Office 2016 和 Office 2019 的支援將於 2025 年 10 月 14 日終止，且不會有延伸安全性更新。 您所有的 Office 2016 和 Office 2019 應用程式將會繼續運作。 不過，您將暴露在嚴重且可能有害的安全性風險中。

Learn how to create installation media for installing or reinstalling Windows.

Office LTSC 2024 is a one-time release that comes with classic versions of apps like Word, Excel, and PowerPoint for one PC or Mac, and does not include any of the services that come with a Microsoft 365 subscription.

In Office 2024 and Office LTSC 2024, you'll find several new features including several new functions in Excel, improved accessibility, better session recovery in Word, new capabilities in Access , and a new and more modern design that brings Office 2024 together.

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。

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