If you are looking for a "free download," Spitfire Audio provides legal alternatives that include solo violin patches: LABS by Spitfire Audio — LABS
If you are looking for the specific premium version (often referred to as the patch), here is why it is highly regarded in the industry: Expressive Solo Violin Instrument - Spitfire Audio Spitfire Solo Violin -KONTAKT- Free Download
: Go to the Spitfire Symphony Orchestra Discover page. If you are looking for a "free download,"