If a program was built using the 2013 version of Visual C++, it looks for the version of these libraries. If they aren't on your system, the program won't run. Common Errors Solved by this Package
Understanding VC2013Redist_x86: A Guide to Visual C++ 2013 Redistributable (12.0.40664) vc2013redistx86 visual c 2013 x86 120 40664
Are you currently seeing a when trying to open a program? If a program was built using the 2013
If the redistributable is already present but corrupted: vc2013redistx86 visual c 2013 x86 120 40664
Often yes. Many games use 32-bit launchers (x86) and 64-bit game engines (x64). Install both.
Use Dependency Walker or dumpbin /dependents yourapp.exe to check which exact DLLs are missing. Install the corresponding redist or copy missing DLLs from a working system.