Applies ToOffice 2021 Office 2021 for Mac Office 2019 Office 2019 for Mac Office 2016 Office 2016 for Mac

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

However, if you're reinstalling Office, and you've already redeemed a product key and have an account associated with Office, 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 Office for the first time

Some Office 2021, Office 2019 and Office 2016​​ products come with a product key. If yours did, before installing Office 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 Office so you only have to do this once. Already did this? Select the tab below for the version you're trying to install.

Reinstall Office

If Office 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 Office. This is the account you'll use to install Office following the steps below. If you need to uninstall Office first, see Uninstall Office from a PC or Uninstall Office for Mac.

Note: The steps to install the 2021, 2019, or 2016 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Office through one of the following:Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Office 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 Office on multiple devices.Third-party seller: You bought Office from a third-party and you're having problems with the product key.

Sign in to download Office​​​​​​​

  1. Go to your Microsoft account dashboard, and if you're not already signed in, select Sign in.

  2. Sign in with the Microsoft account you associated with this version of Office​​​​​​​.

    Forgot your account details? See I forgot the account I use with Office.

  3. From the Overview page, select Office apps and on that page, find the Office​​​​​​​ product you want to install and select Install.

    To install Office​​​​​​​ 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 Office​​​​​​​. Select the tab below for the version you're trying to install.

Install Office​​​​​​​ 2021, 2019, or 2016 on a PC

Remember a one-time purchase version of Office​​​​​​​ is licensed for one install only.

  1. 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.

  2. 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 Office​​​​​​​ 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 Office​​​​​​​ see Troubleshoot installing Office for more help.

Activate Office​​​​​​​

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

    In most cases, Office is activated once you start an application and after you agree to the License terms by selecting Accept.

  2. Office might activate automatically. However, depending on your product you might see the Microsoft Office Activation Wizard. If so, follow the prompts to activate Office.

    If you need activation help, see Activate Office.

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