It must be noted that Microsoft Office 2013 works with Windows 7, Windows 8, Windows Server 2008 R2, and Windows Server 2012. Microsoft Office 2013 System Requirements To find out more about this offer, check out the Free Microsoft Upgrade Offer For MS Office 2013. Interestingly, Microsoft has provided MS Office 2010 users the option to upgrade to the latest version through an exclusive upgrade offer. For instructions regarding installation of Office in a virtual environment, see this post: Installing Office 2013 in a Virtual Environment. Such a measure might be quite useful for system administrators who might require deploying the latest Office suite in a corporate environment, once the final version becomes available.
This is why it might be a good idea to install Office in a virtual environment to test out its various features before upgrading to the final version (next year). As the current version of Office has not reached its final stage, therefore users might face bugs and functionality issues. This means that you might have to wait for half an hour or more to install Office 2013 (depending on your internet connection speed). The trial version of Office 13 requires downloading a setup file which then fetches the entire Office suite via the internet. Install Office 2013 in a Virtual Environment