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Download and install or reinstall Office 365 or Office 2016 on a PC or Mac

Before you begin, make sure your PC or Mac meets the system requirements. (The steps below are for Office 365 and Office 2016. For help installing older versions, see 2013, 2010, 2011, or 2007.)

Office for home    Some Office for home 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? Go to Step 1.

Office for business    If your Office for business subscription plan includes the desktop version of the Office apps you won't see an option to install it unless someone in your organization assigned a license to you. Learn how to check this in What Office 365 product or license do I have? Office 365 admins responsible for this, see Assign licenses to users.

Step 1: Sign in to download Office

  1. Go to www.office.com and if you're not already signed in, select Sign in.

    Note: If you bought Office for personal use through your company's Microsoft HUP benefit, you may not be able to sign in here. Find installation help at Install Office through HUP.

  2. Sign in with the account you associated with this version of Office. This account can be a Microsoft account, or work or school account.

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

  3. After signing in, follow the steps that match the type of account you signed in with.

    You signed in with a Microsoft account
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    1. From the Office home page select Install Office.

      Screenshot of Office.com home page after signing in
    2. Select Install. (For Office 365 subscribers, you may be on the Overview page and need to select Install Office> first.)

      Tip: To install Office in a different language, or to install the 64-bit version, select the link Other options. Choose the language and bit version you want, and then select Install.

    You signed in with a work or school account
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    1. From the Office 365 home page select Install Office apps (If you set a different start page, go to aka.ms/office-install.)

      Screenshot of Office.com if signing in with a work or school account
    2. Select Office 2016 to install the 32-bit version, or Other install options to install the 64-bit version or to select a different language.

    Tip: Select your language, and then to install 64-bit, under Version select Advanced, choose 64-bit, and then select Install.

    Office should now begin downloading. Follow the prompts in Step 2 to complete the installation.

    Don't see an install option after signing in? There could be an issue with your account. Select Need help? from above and review the section Account questions.

Step 2: Install Office

  1. Depending on your browser, select Run (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.

    Window showing progression of Office install

  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.

    Office is installed now. Select Close

Installation or sign in issues?

If you're having installation issue such as Office taking long to install, try Need help? for a list of common issues.

Step 3: 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 click Accept to agree to the License terms.

    Shows the "Office is Almost Ready" page where you accept the License Agreement and start the app

  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.

    Shows the Microsoft Office Activation Wizard

    If you need activation help, see Activate Office 365, Office 2016, or Office 2013.

Step 1: Sign in and install Office

  1. Go to www.office.com and if you're not already signed in, select Sign in.

    Note: If you bought Office for personal use through your company's Microsoft HUP benefit, you may not be able to sign in here. Find installation help at Install Office through HUP.

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

    Tip: Depending how you got Office, this account can be a Microsoft account or work or school account. If you forgot your account details, see I forgot the account I use with Office.

  3. On the Office home page, do the following depending on your version of Office.

    Select Install Office > Install if you signed in with a Microsoft account.

    Screenshot of Office.com home page after signing in

    Select Install Office Apps > Office 2016 if you signed in with a work or school account.

    Screenshot of Office.com if signing in with a work or school account

    This begins the download of Office. Follow the prompts on your screen to complete the install.

Don't see an install option after signing in? There could be an issue with your account. Select Need help? from above and review the issues listed in the section Account questions.

Step 2: Install Office

  1. Once the download has completed, open Finder, go to Downloads, and double-click Microsoft_Office_2016_Installer.pkg (the name might vary slightly).

    The Downloads icon on the Dock shows the Office 365 installer package

    Tip: If you see an error that says the Microsoft_Office_2016_Installer.pkg can't be opened because it is from an unidentified developer, wait 10 seconds and then try double-clicking the installer package again. If you're stuck at the Verifying…. progress bar, close or cancel the progress bar and try again.

  2. On the first installation screen, select Continue to begin the installation process.

    First Mac 2016 installation screen with "Continue" highlighted
  3. Review the software license agreement, and then click Continue.

  4. Select Agree to agree to the terms of the software license agreement.

  5. Choose how you want to install Office and click Continue.

  6. Review the disk space requirements or change your install location, and then click Install.

    Note: If you want to only install specific Office apps and not the entire suite, click the Customize button and uncheck the programs you don't want.

  7. Enter your Mac login password, if prompted, and then click Install Software. (This is the password that you use to log in to your Mac.)

    Enter your admin password to begin installing
  8. The software begins to install. Click Close when the installation is finished. If Office installation fails, see What to try if you can't install or activate Office 2016 for Mac.

    Shows the final page of the installation process, indicating that the installation was successful.

Step 3: Launch an Office for Mac app and start the activation process

  1. Click the Launchpad icon in the Dock to display all of your apps.

    Shows the Launchpad button in the Dock
  2. Click the Microsoft Word icon in the Launchpad.

    Shows the Microsoft Word icon in a partial view of the Launchpad
  3. The What's New window opens automatically when you launch Word. Click Get Started to start activating. If you need help activating Office, see Activate Office 2016 for Mac. If Office activation fails, see What to try if you can't install or activate Office 2016 for Mac using Office 365 for business.

    Start activating Word 2016 for Mac

Installation notes

Installation notes

Can I install Office 2016 for Mac and Office for Mac 2011 on the same computer?

Yes, you can install and use Office 2016 for Mac and Office for Mac 2011 at the same time. However, we recommend that you uninstall Office for Mac 2011 before you install the new version just to prevent any confusion.

To uninstall Office for Mac 2011, follow the steps in Uninstall Office 2011 for Mac.

How do I pin the Office app icons to the dock?

  1. Go to Finder > Applications and open the Office app you want.

  2. In the Dock, Control+click or right-click the app icon and choose Options > Keep in Dock.

Can I install Office on my iPhone or iPad?

Yes, see Install and set up Office on an iPhone or iPad. You can also set up email on an iOS device (iPhone or iPad).

Sign in or installation FAQ

The following are a few of the more common questions or issues when trying to install Office.

Tip: Don't see your issue listed? Try Troubleshoot installing Office 365 and Office 2016 for additional issues and their possible solutions.

Account questions:

Before you can install Office 365 or Office 2016, you need to associate it with a Microsoft account, or work or school account.

If you have an Office for home product and bought Office at a retail store or online store, but don't have a Microsoft account, it's possible you haven't redeemed your product key yet (if you got one), or you missed the step for linking your recent purchase with an account. Do the following to link an account with Office.

For an Office for home product, go to office.com/setup and create a new Microsoft account or sign in with an existing one, then follow the remaining steps on that page such as entering your product key (if you have one). Your account is successfully associated with Office when you see the page, My Office Account followed by your Microsoft account email address, and a button to install Office. Select the PC or Mac tabs above to help you with the rest of the install process.

Screenshot of Install page on My Account

If the Microsoft account or work or school account isn't working, see I forgot the username or password for the account I use with Office.

After signing in with your work or school account you don't see an option to install the desktop applications on the Office 365 home page, go directly to the Office 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Step 2 and 3 on the PC or Mac tabs above to help you with the rest of the install process.

Notes: 

If you still don't see an option to install Office on the Office 365 Software page, it's possible your admin hasn't assigned a license to you. Find out if you have a license to install Office.

If you're a student or teacher and your institution didn't give you a license, find out if you're eligible to Get Office 365 for free.

If you're trying to sign in with your work or school account to www.office.com and your sign in is blocked, it likely means your Office 365 administrator set up a security policy that's preventing you from signing in to that location.

To install Office, try signing in directly to the Office 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Steps 2 and 3 on the PC or Mac tabs above to help you with the rest of the install process.

Notes: 

If you're still not able to sign in, contact your administrator.

Product key, purchase, and installing older versions of Office:

Not all versions of Office 365 or Office 2016 include a key, but if yours did, you need to redeem it before you can install Office. Go to office.com/setup and sign in with an existing Microsoft account or create a new one, then enter your product key. Follow the remaining prompts to finish linking your Microsoft account with this version of Office.

No product key or not sure if you need one? See Using product keys with Office 365, Office 2016, or Office 2013.

The steps in this topic assume you have Office 365 or Office 2016 and you're ready to install or reinstall it. Don't have the latest version yet?

Link to buy or try Office

Learn more about the differences between Office 365 and Office 2016.

Installation help for older versions of Office:

Install questions or errors during install

For Office 365 Home subscribers only: You can install Office on up to 5 PCs or Macs. Share your other four installs with friends or family, or use the same Microsoft account to install Office on your other computers. The steps to install are the same.

For a one-time purchase of Office 2016 such as Office Home & Student, Office Home & Business, or Office Professional: You can install Office on only one computer. However, you may transfer Office 2016 to another computer that belongs to you if you experience a hardware failure or you buy a new computer. For more information, see the Microsoft License Terms for your product, or see this blog post, Office now transferable.

When installing Office on a PC, you must be an administrator on the PC computer where you want to install Office 365, Office 2016, or Office 2013. If you're not sure, see Check if you have local admin rights to install Office .

If you bought a stand-alone version of an Office app, for example Visio 2016 or Word 2016, in most cases you install this app in the same way you install the Office suite, by signing in to www.office.com with your Microsoft account, or work or school account and selecting Install for your stand-alone product.

If you have a subscription to Project Online Professional, Project Online Premium, or Visio Pro for Office 365, see Install Project, or Install Visio for the steps to install the apps that are part of those subscriptions.

The Office apps are available to install on your iPhone and iPad, Android device, or Windows phone and tablet. See Set up Office apps and email on a mobile device.

If Office seems to be taking a very long time to install, this may be caused by problems with your internet connection, firewall, or anti-virus software. For possible solutions, see Office is taking long to install.

Office can also take long to install because of a slow internet connection (such as a dial-up connection). If you don't have a good connection, install Office using the Use the Office 2016 offline installer.

Office won't install: Your computer must be running a supported operating system to install Office. You can find a list of which systems are supported on the system requirements page. For example, your install won't be successful if you're trying to install Office on a computer running Windows Vista or Windows XP operating system. If your computer can't install the full desktop version of Office, try the free Office Online apps using your desktop browser.

I received an error message: If you got an error message while trying to install Office and it has a Learn More link, select it to get information for how to troubleshoot that particular error. If there wasn't a link, see Troubleshoot installing Office 365 and Office 2016.

I received an unsupported operating system message: If you got an unsupported operating system error message you may be trying to install Office on an unsupported device such as installing the Mac version of Office on a PC or vice versa, or trying to install Office on a Chromebook or other mobile device. See Unsupported operating system error when installing Office or Set up Office apps and email on a mobile device.

Help with specific applications, and help for Office 365 admins:

If Office is installed, but you need help with Office basics, or learn how to do a specific task such as print a document, set up an account in Outlook, or use VLOOKUP in Excel, go to the top of this page and select Apps or Learn Office.

You can also type what you're looking for using the search bar in the upper-right corner.

If you're the Office 365 admin of an Office for business plan, users in your organization can only install Office using the steps in this topic as long as your plan includes the desktop version of Office, and you've assigned the user a license and given them permission to install Office (Manage user software in Office 365).

For information about how to assign licenses, see Assign licenses to users in Office 365 for business.

If you've run out of licenses and need to purchase more, see Buy licenses for your Office 365 for business subscription.

Contact Microsoft

If you weren't able to resolve your problem, try contacting Microsoft support.

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