While prosecuting individual users is rare, copyright holders can and do send cease-and-desist letters or demand settlements. In corporate environments, using pirated software can lead to fines over $150,000 per instance.
Additionally, Rachel pointed out the value of considering open-source or free audio editing software as alternatives. There were several high-quality options available that could meet Alex's needs without the cost. Sound Forge Audio Studio 12.6 Serial Number -FREE-