Instead of releasing completely separate runtime packages for every minor annual update, Microsoft unified them. The runtimes all share the same underlying backward-compatible architecture.
"The feature you are trying to use is on a network resource that is unavailable" microsoft visual c offline installer 2021
For developers, the term might refer to an offline installer for the Visual Studio Build Tools, which is a separate, lightweight package that includes the MSVC compiler, libraries, and other tools for building C++ applications without the full Visual Studio IDE. Some community projects have created fully offline installers for these build tools, as Microsoft's official installer often requires an internet connection for component downloads. which is a separate