If you are looking specifically for version 8.0 for a legacy system (e.g., Windows XP or Mac OS X Leopard): Pro Tools Operating System Compatibility Chart
How to download Pro Tools | Ultimate trial? - Knowledge Base descargar pro tools ultimate 8.0 gratis
– Avid does not offer Pro Tools Ultimate for free. The current legitimate free version is Pro Tools Intro , which has limitations but works on modern systems. If you are looking specifically for version 8