Office 365 - How to install / uninstall Office?

To install the latest version of Office

1. Uninstall your Microsoft Office (e.g. Office 2013, etc.) if it is installed.
2. For Staff users: sign in to https://portal.office.com with your email address
   For Students: sign in to http://o365.ust.hk with your email address
3. At the top right of the page, click Install Office
   
   
4. Download the Office 365 apps and install to your workstation
   

In case you have problem installing Office, please refer to: Install Office on your PC or Mac with Office 365 for business

For Mac users, please read What to try if you can't install or activate Office for Mac

In case you need to do a clean un-install of your previous 2013 and install Office 365 again download from your Office 365 account, please refer to http://support.microsoft.com/kb/2739501