The GLHexenB09.zip file you have requested: Modifications / GLHexen V0.9 - 387.34kb is not available. Perhaps try browsing all files for the game Hexen and upload any files you want to share or are missing. This is the only information we could locate:
SetupKeys.exe is not-user-friendly program to configure DoomGL, WinHeretic & GLHeretic.
Here how it works:
Edit the hereticrc.cfg (or doomrc.cfg) file.
Type the key you want to assign. In the window a line "KD: WinHexen is a Win32 port of the Raven's Hexen sources. For graphics rendering, Windows GDI is used. The MIDAS library is used for sound processing. WinHexen compiles with Microsoft Visual C V4.0 & V5.0 compiler.