: The build number (in your case, Build 177) indicates a specific version of the software. It helps in identifying which version of the software the patch applies to and ensures users are applying the correct update.

The for Sony Vegas Pro 15.0.0 Build 177 provides:

Dedicated GPU with at least 4GB VRAM for efficient 4K rendering.

None of these reasons justify piracy, but understanding them helps software developers improve pricing and free trial models.