: Ensure you have the Visual C++ 2015-2019 Redistributable (x64) installed, as these builds require it to run.
Development of the series in 2021 was a bridge between the legacy plugin-based era and the modern, unified emulator architecture seen in today's nightly builds. By late 2021, these builds were transitioning into what would eventually become the 1.7 series and the 2.0 stable release. Key Features and Improvements (2021 Era) pcsx2 150 dev build 2021
(1.5.0, 1.7.0) are "Development" or "Nightly" builds. : Ensure you have the Visual C++ 2015-2019