Critically, msvcp140.dll provides the C++ Standard Library implementation, which does change with compiler updates, but the UCRT remains constant. This allowed Microsoft to ship security fixes to the UCRT via Windows Update without breaking applications.
Usually, when a new version of Visual Studio comes out (2017, 2019, 2022), it installs a new Redistributable. You end up with a list of 10+ different "Visual C++ Redistributables" in your "Add/Remove Programs" list. ms visual c++ 2015