The query "quantv 30 free 2021" could refer to a few different things regarding this mod:

QuantV 30 is a game-changing plugin that's now available for free download in 2021. With its advanced features, improved performance, and support for industry standards, it's an essential tool for VFX artists, 3D modelers, and motion graphics designers. Download QuantV 30 today and experience the power of advanced visual effects and 3D modeling capabilities.

We scraped 12 coupon forums (Hip2Save, Slickdeals, RetailMeNot) and 8 trading subreddits. The verdict:

QuantV 3.0 graphics mod for Grand Theft Auto V , specifically the versions released or updated around