Ok, how do I install it? I downloaded it and when I double-clicked on it gave me a popup asking me where to place the extracted files and it gave me yet another self extracting .exe, I ran that, it showed a bunch of progress bars before I got multiple windows 8 dialogs telling me they all "might not have installed correctly." I tried the compatibility settings thingy, still got the same popups.
VBRun60sp6.exe installs Visual Basic 6.0 SP6 run-time files
VBRun60sp6.exe is a self-extracting executable file that installs the latest versions of the Microsoft Visual Basic run-time files that are required by all applications that are created with Visual Basic 6.0. The files include the fixes that are included with Visual Studio 6.0 Service Pack 6.
IIRC, the above Microsoft VB6 installers do register the various components with the Windows OS without having to manually register them via REGSRV32 (and presumably also reducing risk for confusing errors ...as discussed in this thread):