Please note that we've already updated Viewer for Mac/Linux and the latest version 1.0.10.q Beta 10 is available for download on this page. Please note that the licensing in the latest version works the same way as in Viewer for Windows, i.e. you can use Viewer for Mac/Linux in trial mode for 30 days after which you need to register your Viewer with your license key as described in this tutorial. In case if you already use the free license, you can simply register your Viewer for Mac/Linux with the same free license key that you use with Viewer for Windows. Alternatively, if you don't have a license key yet, you can obtain a free license key using this form.