Hi AyatAbu,,
Thank you for choosing Microsoft Communities. Let me help you install Office 365.
As per the description provided, it looks like you are having issues with installing Office 2013.
To resolve the issue, let us run the Fix it from the following article to remove traces of Office 2013 from the system.
Step 1:
Click on the below link to uninstall Office using ‘Fix IT’
http://support2.microsoft.com/kb/2739501
Note: once you done with running ‘Fix IT’ restart the computer before you try to install office,
Step 2:
To install office, follow the steps provided below:
- Login to the website http://office.com/myaccount with your Microsoft credentials you used to buy\register Office 2013.
- You will be routed to your "My Account" page. You will see your Office product and the Install button as well.
- Once you are in the page you will be able to see the install option please click on install
- After you click on "Install", it will provide you an option to "Run" or "Save". If you click on "Run", it will download and start the installation after the download would finish
However you may also refer the link provide below to install office,
http://support.microsoft.com/kb/2822317
Let us know the status of the issues for better assistance.
Thank you