What is all-in-one-runtime-installer-v2?

This project is a Windows batch script tool that automates installing a bundle of common Microsoft runtime packages in one pass, aimed at fixing the kind of errors that show up when a Windows program or game refuses to launch because a required system component is missing. It bundles installers for Visual C++ Redistributables going back to 2005 through the most recent versions, several generations of the .NET Framework along with the .NET SDK and long term support runtimes, and DirectX redistributables, all sourced from official Microsoft download locations rather than third party mirrors. Using it means downloading the repository or a zip file, extracting it somewhere on a Windows machine, and running one of two batch files as an administrator, either one that requests elevated permissions automatically through Windows' built in prompt, or a manual fallback if that automatic request does not work. A separate, larger download containing the actual .NET installer files is distributed through the project's releases page rather than bundled directly in the repository, because of its file size. Once launched, the script walks through the installation with on screen instructions. The README specifically lists the kinds of errors this tool is meant to resolve, including missing MSVCP140.dll and VCRUNTIME140.dll files, generic DirectX errors, the 0xc000007b application error that Windows programs sometimes show, and missing .NET runtimes generally. It suggests the tool is useful both for fixing a currently broken installation and for preparing a freshly installed Windows machine, such as a new gaming PC, so that games and applications have their runtime dependencies satisfied ahead of time. The documentation asks users not to rename any files or folders and to keep the original folder structure intact for the script to work correctly, and it notes that some of the runtime installations it performs may require a system reboot to finish taking effect. No license is stated in the README, so the terms under which this code can be reused or redistributed are not defined.