: Installing these runtimes is the standard fix for "Missing DLL" error messages when starting a game. The Difference Between x86 and x64 Files
Modern Windows systems are 64-bit (x64), but many older games are 32-bit (x86). To ensure compatibility, you generally need both versions of the libraries installed. directx 90c extra files x86 x64
: Used by 32-bit applications. These files are typically stored in the C:\Windows\SysWOW64 folder on 64-bit systems. : Installing these runtimes is the standard fix