These DLL (Dynamic Link Library) files are the core components of the VC++ 2015 package. Without them, the application simply cannot launch.

Before 2015, Windows had fragmented C runtime libraries. With VC Redist 2015, Microsoft moved the core C runtime into Windows itself (via Windows Update). The redistributable now simply bridges the app to the OS. This means fewer system reboots and smaller app sizes.

If you’ve ever installed a PC game, launched a 3D modeling tool, or run a fresh Windows setup, you’ve seen it. A silent, gray window pops up, fills a green progress bar, and vanishes. It’s the , and the 2015 version is one of the most important—and misunderstood—pieces of software on your machine.

"The code execution cannot proceed because VCRUNTIME140.dll was not found."

You will often see the Visual C++ 2015 Redistributable listed alongside 2017, 2019, and 2022 versions. This is because, starting with 2015, Microsoft changed the architecture of their libraries.