For Microsoft 365 subscriptions only: You can install Microsoft 365 on all your devices and be signed in to five at the same time. To learn more, see How sign in works in Microsoft 365 . If you have Microsoft 365 Family, you can also share your Microsoft 365 Family subscription with up to five family members or other people.

Launch an app, like Word, Excel, PowerPoint, or Microsoft Teams. Use Search to look for Apps, Files, People, and Sites. Tip: Also try out the Microsoft 365 mobile app and Microsoft 365app for Windows. Want more? Microsoft 365 for the web Quick Starts.

Microsoft 365 app for Android. With the power of the Microsoft 365 app for Android, you can stay productive on the go. Create and edit new Word documents, Excel spreadsheets, or PowerPoint presentations. Quickly jot down thoughts and ideas with Sticky Notes. Instantly create PDF files from photos or your existing Word, Excel, and PowerPoint files.

註冊 Microsoft 365之後，您和您的員工就可以安裝 Office app。 登入 Microsoft 365 系統管理中心，選擇 [Office 軟體]。

如果没有Microsoft帐户，可以免费注册以使用 Microsoft 365 应用。 使用个人 Microsoft 帐户或工作或学校帐户登录时，可将文件保存到云位置（OneDrive、SharePoint 或首选的第三方存储提供商）。 Microsoft 365 应用还支持符合条件的 Microsoft 365 订阅提供的

在 PC 或 Mac 上下載、安裝或重新安裝 Microsoft 365、Office 2024 或 Office 2021. 準備安裝了嗎？ 開始之前，請確定您的PC或Mac符合 系統需求。 如果您已兌換產品密鑰，只要重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 一節。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先執行一些步驟。 請展開下方的 深入了解 章節以取得詳細資訊。 您瀏覽器中的引導式支援可針對 Office 問題提供數位解決方案. 嘗試引導式支援.

The Microsoft 365 app for Android works independently of any individual Microsoft 365 apps that you may have installed on your phone already (such as Word, Excel, or PowerPoint). You can either keep the individual Microsoft 365 apps on your phone, or delete them to reclaim storage space — the choice is yours!

Check out what’s available in the Xbox app on mobile for Android and iOS mobile devices. Note The Xbox app on mobile, and its accompanying features, may not be available in all regions. You’ll need to sign in with the Microsoft account that you use on your console to access remote play and to manage your console.

有了 Android 版 Microsoft 365 應用程式的威力，您就可以隨時隨地保持生產力。 建立及編輯新的 Word 文件、Excel 試算表或 PowerPoint 簡報。 透過自黏便箋快速記下想法與構想。

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software. Choose a language, and then select Install. When prompted, select Run. Select Yes to allow the app to make changes to your device. The installation may take several minutes, depending on your Internet speed.