The specific filename points toward a specific distribution method for the software. To break it down:
Whether you are a beginner learning to hover a collective-pitch helicopter, or an experienced pilot fine-tuning your rolling harriers, this emulator unlocks a timeless tool. Download, install, and let the Phoenix rise once again. PhoenixRC-emu-v0-3.zip
Follow these instructions carefully to get PhoenixRC-emu-v0-3.zip working. The specific filename points toward a specific distribution
The emulator works by intercepting the sim’s calls to the hardware and responding with the expected authentication codes. In essence, tricks Phoenix RC into thinking an original dongle is present, allowing you to use almost any standard RC controller via a USB interface. PhoenixRC-emu-v0-3.zip