Before you begin, make sure your PC or Mac meets the system requirements.
Tip: The steps below are for Office 365 and Office 2019. For help installing older versions, see 2016, 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
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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.
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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.
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After signing in, follow the steps that match the type of account you signed in with.
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You signed in with a Microsoft account
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From the Office home page select Install Office.
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Select Install. (For Office 365 subscribers, you may be on the Overview page and need to select Install Office> first.)
The 64-bit version is installed by default. However, if Office detects you have a previously installed 32-bit version, this version will be installed instead.
Note: If you want to install a 32-bit or 64-bit version of Office, but this is different from what you previously installed, you need to uninstall Office first.
You can then select the version you want. Select Other options, and choose the language and the 64-bit or 32-bit version of Office, and then select Install.
For more information about which version is right for you see Choose between the 64-bit or 32-bit version of Office.
You signed in with a work or school account
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From the Office 365 home page select Install Office apps (If you set a different start page, go to aka.ms/office-install.)
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Select Office to begin the installation.
The 64-bit version is installed by default. However, if Office detects you have a previously installed 32-bit version, this version will be installed instead. (Note: The link may say Office 2016, however Office will install the most up-to-date version of the Office apps as set by your Office 365 admin.)
Note: If you want to install a 32-bit or 64-bit version of Office, but this is different from what you previously installed, you need to uninstall Office first.
You can then select the version you want. Select Other install options, your language, and then under Version select Advanced, and choose 64-bit or 32-bit, and then select Install.
For more information about which version is right for you see Choose between the 64-bit or 32-bit version of Office.
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.
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Step 2: Install Office
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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.
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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 having an installation issue such as Office taking long to install, try Need help? for a list of common issues.
Step 3: Activate Office
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.
If you need activation help, see Activate Office.