Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or Mac (2025)

Install Microsoft 365 or Office

Microsoft 365 or Office 2024
Office 2021, 2019, 2016

Redeem a product key

Redeem or activate

Product keys

Enter your product key
Product key FAQ
Change your product key

Activate Office or Microsoft 365

Activate Office or Microsoft 365 for Windows
Activate Office or Microsoft 365 for Mac
Deactivate an installation of Office or Microsoft 365
Unlicensed Product error

Language, 32/64-bit, and other options

Language pack for Office or Microsoft 365
64-bit or 32-bit version of Office or Microsoft 365
Offline installer

Install other apps

Install Project
Install Visio
Install Skype for Business

Set up mobile devices

Set up apps and email on mobile

Office or Microsoft 365 updates

Update Office or Microsoft 365 on PC
Update Office or Microsoft 365 for Mac
Upgrade macOS

Upgrade to the latest version

How do I upgrade my version?
End of support for Office 2016 and Office 2019
End of support for Office 2013
End of support for Office 2010
End of support for Office 2019 for Mac
End of support for Office 2016 for Mac
What Windows end of support means for Office and Microsoft 365

Troubleshoot and uninstall

Troubleshoot installing Office or Microsoft 365
Find Office or Microsoft 365 applications
Office or Microsoft 365 is taking long to install
Uninstall Office or Microsoft 365 from a PC
Uninstall Office or Microsoft 365 for Mac

Applies To

Office 2024 Office 2024 for Mac Microsoft 365 for home Microsoft365.com Office for business Office 365 Small Business Microsoft 365 admin Office 365 operated by 21Vianet Office 365 operated by 21Vianet - Admin Microsoft 365 for Mac Office 365 Germany - Enterprise Office 365 Germany - Enterprise admin

Tip:

Get expert advice, dedicated support, and personalized guidance from business specialists. With Business Assist, get help making Microsoft 365 products work for you and everyone in your business.

Learn more

Ready to install?

Before you begin, make sure your PC or Mac meets the system requirements.

If you already redeemed a product key, reinstalling the apps, or you have an assigned license through work or school, you can skip ahead and go to the section sign in to downloadand install Microsoft 365 or Office. However, if this is the first time you're installing Microsoft 365or Office, you may have some steps to do first.Expand the Learn moresection below for more info.

Guided support in your browser can provide digital solutions for Office problems

Try guided support

If this is the first time you're installingMicrosoft 365or Office,you may have to complete a set of pre-installation stepsor you may need to follow different steps than what's shown below. What you do depends on if your copy of Microsoft 365or Office is ahome or abusiness product and whether or not you have a product key that you still need toredeem, an account already associated with your product,or a pre-assigned license.

Microsoft 365or Office for home

If you have ahome product and it came with a product key*, before installing for the first time (or sharing it if you have Microsoft 365 Family), you need to redeem your product key first.

Go to office.com/setup and sign in with an existing or new Microsoft account and then enter your product key to redeem it*. Redeeming your key is what adds your Microsoft 365 or Office license to your Microsoft account, and you only have to do this once per product key. If you're renewing aMicrosoft 365 subscription with a new product key, use the same Microsoft account you previously associated with your expired version subscription.

Tip:Once this is done, anytime you need to install or reinstall Microsoft 365or Office you can go straight to the next section, Sign in to download Microsoft 365 or Office and select the tab for help to install on a PC or Mac. Be sure to sign in with the same Microsoft account you used to redeem your product key at office.com/setup.

Microsoft 365for business

If your business subscription plan includes the desktop version of the Microsoft 365apps 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 Microsoft 365 business product or license do I have? or if you're aMicrosoft 365 admin responsible for assigning licenses to people in your organization, see Assign licenses to users.

Once you verify you have a license, anytime you need to install or reinstall Microsoft 365you can go straight to the section below, Sign in to download Office and select the tab for steps to install on a PC or Mac. You'll sign in with your work or school account for these versions of Microsoft 365.

*If you don't have a product key or an account

Some versions of Microsoft 365such as Office Professional Plus, Office Standard, or a stand-alone app such as Wordor Projectdon't have an associated Microsoft account, or work or school account.

The steps to install these versions can be different depending if you got Microsoft 365through one of the following ways:

Workplace Discount Program:
You bought Microsoft 365for personal use through your company benefit program and have a product key, see Install Office through the Workplace Discount Program.

Volume license versions:
IT departments might use a different method when installing Microsoft 365for people in their organization. Talk to your IT department for install help.

Third-party seller:
You bought Microsoft 365from a third-party and you're having problems with the product key.

Sign in to download and install Microsoft 365or Office

Tip:Get tech expertise with Business Assist. Connect with our small business advisors for help making Microsoft 365 products work for you and everyone in your business.Learn more.

Sign in to download Microsoft 365or Office

Go to www.microsoft365.com and if you're not already signed in, select Sign in.

Go to login.partner.microsoftonline.cn and if you're not already signed in, select Sign in.

Go to portal.office.de and if you're not already signed in, select Sign in.
Sign in with the account you associated with this version of Microsoft 365. This account can be a Microsoft account, or a work or school account. I forgot the account I use with Office
After signing in, follow the steps that match the type of account you signed in with.
You signed in with a Microsoft account
1. From the Microsoft 365 home page select Install apps.
2. Select Install (or depending on your version, Install apps>).
You signed in with a work or school account
1. From the home page select Install apps. (Or, you might need to select Apps from the left navigation pane, and then select Install apps.)
  
  Go to login.partner.microsoftonline.cn/account and if you're not already signed in, select Sign in.
  
  Go to portal.office.de/account and if you're not already signed in, select Sign in.
2. Select Microsoft 365 apps to begin the installation.
The 64-bit version is installed by default unless Microsoft 365or Office detects you already have a 32-bit version of Microsoft 365or Office (or a stand-alone app such as Project or Visio) installed. In this case, the 32-bit version of Microsoft 365or Office will be installed instead.

To change from a 32-bit version to a 64-bit version or vice versa, you need to uninstallMicrosoft 365first (including any stand-alone Microsoft 365apps you have such as Project of Visio). Once the uninstall is complete, sign in again to www.microsoft365.com and select Install apps. From the Install apps window select the language and version you want (64 or 32-bit), and then select Install. (See Install Visio or Install Project if you need to reinstall those stand-alone apps.)
This completes the download of Microsoft 365to your device. To complete the installation and activation steps, follow the prompts in the followinginstall and activation sections.

Tip: 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 solutions under Account questions.

Install the apps

Depending on your browser, select Run (in Microsoft 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 Microsoft 365 applications on your computer. Select Close.

Installation or sign in issues?

Tip:For help with Microsoft 365or Office 2021installation issues on a PC, please go to Microsoft 365 troubleshooters and select the Microsoft 365 setup troubleshooter option.

If you're having an installation issue such as Microsoft 365 taking long to install, try Need help? for a list of common issues.

Activate Microsoft 365or Office

To open an app, select the Start button (lower-left corner of your screen) and type the name of an app, like Word.
To open the app, select its icon in the search results.
When the app opens, accept the license agreement. Microsoft 365or Office is activated and ready to use.

Note:The Activation Wizard appears if Microsoft 365or Office has trouble activating. Complete the steps in the wizard to finish activation.

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