Install Microsoft 365 or Office
Install Microsoft 365 or Office
- Microsoft 365, Office 2021
- Office 2019, 2016, 2013
- Office 2010
Redeem a product key
- Redeem or activate
Product keys
- Enter your product key
- Product key FAQ
- Change your product key
- Product key for Office 2010
Activate Office or Microsoft 365
- Activate Office or Microsoft 365
- Deactivate an installation of Office or Microsoft 365
- Unlicensed Product error
- Activate Office or Microsoft 365 for Mac
- Activate Office 2010
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 2013
- End of support for Office 2010
- End of support for Office 2016 for Mac
- End of support for Office 2019 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
Excel for Microsoft 365 Word for Microsoft 365 Outlook for Microsoft 365 PowerPoint for Microsoft 365 Access for Microsoft 365 OneNote for Microsoft 365 Excel 2021 Word 2021 Outlook 2021 PowerPoint 2021 Access 2021 Office 2021 OneNote 2021 Excel 2019 Word 2019 Outlook 2019 PowerPoint 2019 Access 2019 Office 2019 Excel 2016 Word 2016 Outlook 2016 PowerPoint 2016 Access 2016 OneNote 2016 Project Professional 2016 Project Standard 2016 Office 2016 Microsoft 365 for home Office for business Office 365 Small Business Microsoft 365 admin Office 365 operated by 21Vianet InfoPath 2013 InfoPath Filler 2013 More...Less
On a Mac? See Check for Office for Mac updates automatically.
Click here for the Latest updates for versions of Office that use Windows Installer (MSI).
Choose your version of Office
If you're not sure what version of Office you have, see What version of Office am I using?
Not sure which type of install you have?
Open an Office app to check your installation type
Note:If you can't open an app to check your installation type, try the more common Click-to-Run or MSI uninstall steps first.
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Create or open an existing file and select File > Account (or it might say Office Account).
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Under Product information, find the About button and check for the following:
Click-to-Run
Click-to-Run installations have a Version and Build number, and include the phrase Click-to-Run.
Follow the Click-to-Run or MSI steps below.
MSI
An MSI installation doesn't have a Version or Build number.
Follow the Click-to-Run or MSI steps below.
Microsoft Store
Microsoft Store installations have a Version and Build number, and include the phrase Microsoft Store.
If you have this installation type, select the Microsoft Store tab.
Newer versions of Office
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Open any Office app, such as Word, and create a new document.
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Go to File > Account (or Office Account if you opened Outlook).
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Under Product Information, choose Update Options > Update Now.
Note:You may need to click Enable Updates first if you don't see the Update Now option right away.
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Close the "You're up to date!" window after Office is done checking for and installing updates.
You can also use the Update Options button to Disable Updates or to View Updates that were previously installed.
Office in the Microsoft Store
If you purchased Office from the Microsoft Store app on your Windows device, you can update Office from the same place!
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Exit all Office apps.
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Open the Microsoft Store app by typing "Microsoft Store" into the taskbar search and press Enter.
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Click on the
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Click on the
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Click Get Updates.
Note:If you get a "You're good to go" message after clicking Get Updates, you don't have any new updates to install. 
Not working? Try this:
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Make sure your PC is connected to the Internet.
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If Update Options is missing and there's only the About button, you either have a volume license install or your company is using Group Policy to manage Office updates. Try Microsoft Update or contact your company help desk.
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To download an update manually, see Office Updates.
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If you would like to update Office but can't open any of your Office apps, try repairing your Office suite:
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Go to Control Panel > Programs > Uninstall a program.
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Find and select your version of Microsoft Office on your computer. In the bar above, click Change.
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Select Quick Repair > Repair. If this does not work, retry the steps, but choose Online Repair instead. If you are still unable to open any apps, uninstall and reinstall Office.
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See Also
When do I get the newest features for Microsoft 365?
What's new in Microsoft 365
Need more help?
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