EDIT: it seems it’s AI generated, there is no windows installation yet!
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BrunoObradovic i noticed down there, in their website, it say:
Technical Specifications
TTSFree AI supports a wide range of hardware and operating systems, so you can generate high-quality speech on your existing machine.
Hardware Compatibility
Processors (CPU)
Intel, AMD, and Apple Silicon processors
Graphics (GPU)
NVIDIA, AMD, and Intel discrete GPUs
Operating Systems
Windows
Windows 10 and later
macOS
Intel and Apple Silicon