Hello Sharence,
I know how difficult it is if you are unable to install Office on the computer.
Did you save the ‘fix it’ tool on the computer and then try to run it?
If no, you may save the ‘fix it’ tool on the computer from the following article and then try to run the tool which will remove all the installed components
of Office 365/Office 2013 from the computer.
http://support.microsoft.com/kb/2739501
Once the uninstallation is completed you may sign in to
www.office.com/myaccount using the subscribed/registered email address, download and install Office from my account page and verify the status.
If the fix it fails, lets
manually uninstall Office 2013/Office 365 by following the section ’**Manual steps to remove Microsoft Office 2013 MSI installations’**from the following article this will remove all the installed components of Office 2013/Office 365 from the computer.
http://support.microsoft.com/kb/2739501
Important This section, method, or
task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify
it. Then, you can restore the registry if a problem occurs.
You may also refer to the general troubleshooting steps mentioned in the article below while installing Office 2013/Office 365 subscription.
http://support.microsoft.com/kb/2822317
I hope the above information helps. Let us know if you need further assistance.
Thank you.