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.

You should download and install programs only from trusted publishers and retail websites. In your web browser, select the link to the program. Select Save or Save as to download the program. Most antivirus programs like Windows Defender will scan the program for viruses during download.

To help with issues you might encounter when installing Microsoft 365 because of slow speeds or unreliable connections, follow the steps below that are specific to your plan. You need to be connected to the internet to download this installer file, but once that's done, you can then install Microsoft 365 offline on a PC at your convenience.

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.

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 Microsoft 365 Access Runtime files are available as a free download in either the 32-bit (x86) or 64-bit (x64) versions in all supported languages. Decide which bit version you need. For more information, see Choose between the 64-bit or 32-bit version of Office.

When you use an online storage provider such as OneDrive to store online-only files, some Windows apps might download these files automatically. For example, a music player app such as Windows Media Player might download your online-only music files to play them.

Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation. How to install programs from online sources on Windows 10. See how to install programs from a disc from.

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