Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

How to install programs on Windows from online sources, such as from the internet or the Microsoft Store app.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

備註 但您需要 Game Pass Ultimate 或支援的免費遊戲，才能進行雲端遊戲。 Cloud Gaming 可用性因地區而異，而 Microsoft Flight Simulator 可以在任何支援雲端遊戲的地方玩。

Open the Store app and search for your app or game. Open Store If you still cannot see the app you want, it may be because: The app isn't available in your country or region. Not all apps are available worldwide. An app available in France might not be available in Germany. If you bought an app in one country or region and then you moved to another one, the apps you had might disappear ...

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

With the Phone Link , you can instantly access the Android apps installed on your mobile device right on your PC. Using a Wi-Fi connection, Apps allows you to browse, play, order, chat, and more — all while using your PC’s larger screen and keyboard.

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

準備好安裝 Microsoft 365或 Office 2024了嗎？ 開始之前，請確保您的 PC 或 Mac 符合 系統需求。 如果您已兌換產品金鑰、重新安裝應用程式，或您已透過公司或學校指派授權，您可以略過並移至「登入」區段 ，以下載並安裝 Microsoft 365 或 Office。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能 ...