Download and install or reinstall Office 2019, Office 2016, or Office 2013

If this is the first time you're installing Microsoft 365 you may have some setup steps to do first. Expand the learn more section below.

However, if you're reinstalling Microsoft 365, and you've already redeemed a product key and have an account associated with Microsoft 365, then go to the section sign in to download Office.

Tip: If you're a small business owner looking for more information on how to get Microsoft 365 set up, visit Small business help & learning.

Install Microsoft 365 for the first time

Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once. Already did this? Select the tab below for the version you're trying to install.

Reinstall Microsoft 365

If Microsoft 365 originally came pre-installed and you need to reinstall on it on the same device or a new device, you should already have a Microsoft account associated with your copy of Microsoft 365. This is the account you'll use to install Microsoft 365 following the steps below. If you need to uninstall Microsoft 365 first, see Uninstall Office from a PC or Uninstall Office for Mac.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following:Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through Workplace Discount Program.Volume license versions: If you work in an organization that manages your installations, you might need to talk to your IT department. Some organizations have different methods to install Microsoft 365 on multiple devices.Third-party seller: You bought Microsoft 365 from a third-party and you're having problems with the product key.

Sign in to download Microsoft 365

Go to your Microsoft account dashboard, and if you're not already signed in, select Sign in.
Sign in with the Microsoft account you associated with this version of Microsoft 365.

Forgot your account details? See I forgot the account I use with Office.
From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install.

To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.

You're now ready to install Microsoft 365. Select the tab below for the version you're trying to install.

Install Microsoft 365 2019 or 2016 on a PC

Remember a one-time purchase version of Microsoft 365 is licensed for one install only.

Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device? select Yes.

The install begins.
Your install is finished when you see the phrase, "You're all set! Office is installed now" and an animation plays to show you where to find Office applications on your computer. Select Close.

Follow the instructions in the window to find your Microsoft 365 apps. For example depending on your version of Windows, select Start and then scroll to find the app you want to open such as Excel or Word, or type the name of the app in the search box.

Installation or sign in issues?

If you're unable to install Microsoft 365 see Troubleshoot installing Office for more help.

Activate Microsoft 365

Start using an Microsoft 365 application right away by opening any app such as Word or Excel. Can't find Office after installing?

In most cases, Microsoft 365 is activated once you start an application and after you agree to the License terms by selecting Accept.
Office might activate automatically. However, depending on your product you might see the Microsoft Office Activation Wizard. If so, follow the prompts to activate Microsoft 365.

If you need activation help, see Activate Office.