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

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.

Double-click either the Setup32.exe to install the 32-bit version, 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.)

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.

To install a standalone version of classic Outlook for Windows, select your language from the dropdown, and then select Download. Follow the prompts to complete the installation. Which language do you need? Tip: You can also try installing classic Outlook from the Microsoft Store.

For Office 365 subscriptions: You can install Office on all your devices and sign in to Office on five devices at the same time. For a one-time purchase of Office such as Office Home & Business, Office Home & Student, or Office Professional: You can install Office on only 1 PC or Mac.

Sign in to the Microsoft 365 admin center, and choose Office software. Under Language, choose the language you want, and then choose Install. When prompted, choose Run. When asked, Do you want to allow this app to make changes to your device?, choose Yes. When installation is complete, you can take the tour if you like.

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.

Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.

Microsoft 365 is taking a really long time to install, or it appears to hang during the install, you may want to cancel the installation and then try some of the following solutions. Are you trying to install Microsoft 365 or Office on a Mac?