You can legally download the legacy free version today. It is not a "crack" or a "trial"—it is legitimate abandonware authorized by the developer.
Search trusted amateur radio archives (like RadioReference or dedicated SDR groups on io.groups) for the legacy Studio 1 installation files or its freeware successor, , which offers the exact same layout and upgraded features completely free of charge. Step 2: Installing the Drivers (Zadig) studio 1 sdr software download free
The current version (V2 / V3) is commercial software. It costs around $60-$80. It offers modern UX, 64-bit performance, and support for the latest SDRs. You can legally download the legacy free version today