Official Source: The safest and most reliable way to download Sony Vegas Pro 13 (or any software) is directly from the official website or an authorized retailer. This ensures you're getting a legitimate copy of the software, complete with any updates and support.
Steps to Download:
Sony Creative Software sold the Vegas Pro line to MAGIX in 2016. While version 7.0 was legendary for being lightweight, it is obsolete technology.
Let’s assume, for a moment, that you ignore the security risks and successfully install a "extra quality" version of Vegas 7.0a. What happens next?
If you cannot afford modern Vegas and refuse to risk the "70a" download, use these legitimate tools which offer true extra quality: