This post provides some key notes and tips to get you up-and-running with the Office 2013 ProPlus Preview, including the Lync 2013 Preview, with the preview versions of the online services (Exchange 2013 online, Lync 2013 online, etc..). It does not cover getting started with the preview versions of the on-premises servers.
Make sure you signed up for an Office 365 Preview version that includes the Online Services
You can try the preview versions of Office 2013 client applications such as Lync 2013 and Outlook 2013 with either on-premises servers or with preview versions of the online services in Office 365 (e.g. Lync 2013 Online, Exchange 2013 Online, etc…). To . . . → Read More: Getting Started with the Lync 2013 & Office 365 Preview