Windows Server 2008 R2 SP1 Official ISO Images (180 Days Free Trial ...

The trial or evaluation version of Windows Server 2008 R2 with SP1 comes with 180 days of free usage period, which means it can be used for free without purchasing or paying for half a year. The ISO image will install the Windows Server 2008 R2 with SP1 with an embedded product key which expires after 180 days. And thus no product key is required.