Fix Office 365, Office 2016, or Office 2013 install errors
If you get an error while downloading or installing Office, sometimes restarting your computer is enough to fix the problem. Are you seeing the ”Office is busy” error message?
First, try restarting and installing again
Restart your computer.
If you’re a home user, sign in to your My Account page and choose Install.
If you’re a business user, sign in to the Office 365 portal and choose Install.
If that doesn't work, remove and reinstall Office
First, uninstall Office:
At the bottom of your browser screen, click Open.
Then, reinstall Office:
Still not working?
If the Fix it doesn’t completely remove Office from your PC, you can manually uninstall Office 2013 or Office 365.