If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can …

To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, …

Use your Microsoft account , not your product key, to install and activate Office and individually purchased Microsoft 365 apps, such as Project, Visio, Word, Excel, and Outlook.

If you just bought or got a Microsoft 365 subscription, the first thing to do is redeem the product key to activate Microsoft 365 and get access to your apps and features.

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

Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

如果您購買的 Office 或 Microsoft 365 隨附產品金鑰，您可以在下方列出適用於您產品的網站上輸入產品金鑰。 輸入金鑰之後，您可以下載並安裝 Office，也可以為您的 Microsoft 365 訂閱續 …

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

In the top menu bar select Finder > Applications and scroll down to the Microsoft Office apps. Open any Office app, like Microsoft Word and in the What's New box that opens, select Get …