system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 What are all the Microsoft Visual C++ 20005, 2008, 2010, 2012, 2015-2019... different versions currently on my Windows computer for?
gpt
Some software needs visual C++ to run (just like minecraft java edition needs java installed to run the game) 

With each version of visual C++ there are different code libraries. To make your system backwards compatible with older software written for an older visual C++, they just install all versions of the visual C++