Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your 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 …

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install …

If you need to re-install the Office or Microsoft 365 apps, we recommend that you uninstall Office first. After you've uninstalled the apps, follow the steps below.

With Microsoft 365 Family or Microsoft 365 Premium , you can install Microsoft 365 on all your devices and sign in to five at the same time - that means you can use Office no matter where you are or what …

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.

To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft …

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC. Select the button below to start the setup troubleshooter.