Learn how to install a program from a disc by inserting it into your PC or external CD-DVD drive and following the instructions on your screen. You might need to enter an admin password or change your AutoPlay settings if installation doesn't start automatically.

How you install a program from an ISO image will vary depending on which version of Windows you use. Here’s how to install it in Windows 11 and 10.

Step-by-step guide to install or reinstall Microsoft Office on PC or Mac. Activation, troubleshooting and expert tips included.

Ready to install Microsoft 365 or Office 2024? Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, reinstalling the apps, or you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

Verified information about the .exe file format and a list of apps that open .exe files.

Open the Office folder in the virtual drive, and then select either the Setup32.exe to install the 32-bit version of Microsoft 365, or Setup64.exe to install the 64-bit version to begin the offline installation. If you're not sure which version is right for you, see Choose the 64-bit or 32-bit version of Office.

Download and install or reinstall Office 2021, Office 2019, or Office 2016. Important: Support for Office 2016 and Office 2019 ended on October 14, 2025 and there will be no extension and no extended security updates. All of your Office 2016 and Office 2019 apps will continue to function.

The setup.exe file is the ODT and is a command-line tool that supports downloading and installing Office 2019. The configuration.xml files are sample files to get you started.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

There are two ways to get apps from Microsoft Store: Select Start , and select Microsoft Store. From the taskbar, select the Microsoft Store icon.