To install Word on Windows 10, go to microsoft365.com, sign in with the Microsoft account you used for Microsoft 365 or Office, select Install apps, and run the file that downloads. Word installs with the other apps in your plan.
Applies to: Microsoft 365 and Office 2021 or later on Windows 10. Checked against Microsoft Support on September 28, 2026.
What you need
- A Microsoft 365 subscription or a one-time Office purchase that includes Word.
- The Microsoft account linked to it.
- An internet connection. The download is several gigabytes.
If you don’t have either, you can use Word for the web free at microsoft365.com in your browser.
Install Word
- In your browser, go to microsoft365.com and sign in.
- Select Install apps (or Install Office), then Microsoft 365 apps.

- Open the file that downloads (it starts with Setup or OfficeSetup). Select Yes if Windows asks for permission.
- Wait for You’re all set! Office is installed now and select Close.

- Open Word. See how to open Microsoft Word in Windows 10.
If the install fails
- Restart the PC and run the installer again.
- Make sure you have enough free space and a steady connection.
- If an older version of Office is in the way, remove it first. See how to uninstall Microsoft Office in Windows 10.
Frequently asked questions
Can I install only Word?
With Microsoft 365, Word installs along with the other apps in your plan. You can leave the others unused. For product keys, the offline installer and setup error codes, see how to install Microsoft Office in Windows 10.
How do I keep Word up to date?
Updates install automatically. To check now, see how to update Excel in Windows 10. The same steps update Word.
Microsoft’s reference is Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or Mac. More help is on our Windows Help & Guides page.

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.