The is no longer available as a standalone paid product. It was acquired by SDRplay in 2016 and evolved into SDRuno , which is now provided as a free download for use with SDRplay hardware. Current Status of Studio 1
If you like to "fly by wire" and tweak hundreds of plugins, stick with SDR#. If you want a stable, low-latency interface that feels like a $5,000 hardware receiver, download Studio 1 for free. studio 1 sdr software download free