If you just need video editing capabilities similar to Vegas Pro 9 (which is from ~2009), here are better options:

Sony Vegas Pro 9 is a professional video editing software developed by Sony Creative Software. Released in 2009, it offers a range of advanced features for video editing, color correction, and audio mixing. As with any software, ensuring legitimate access and using authentic authentication codes is crucial for both individual users and organizations.

describes how modern DRM is often bypassed by skipping validation measures at the assembly or machine code level.