Why VSGAN is not supported,...

[ld57]

here the log show on my side

Detected NVIDIA PureVideo compatible cards: NVIDIA GeForce RTX 4090 Detected vfwDecoders with 32bit:  vidc.cvid  vidc.i420  vidc.iyuv  vidc.mrle  vidc.msvc  vidc.uyvy  vidc.yuy2  vidc.yvu9  vidc.yvyu Detected vfw64BitDecoders:  vidc.cvid  vidc.i420  vidc.iyuv  vidc.mrle  vidc.msvc  vidc.uyvy  vidc.yuy2  vidc.yvu9  vidc.yvyu   Avisynth+ is available,..     DGDecNV available,..   Vapoursynth is available,..     DGDecNV available,..     vsDPIR available,..     vsRIFE (torch) available,..     vsBasicVSR++ available,..     vsRealESRGAN available,..     vsSwinIR available,..     vsHINet available,..     vsAnimeSR available,..     vsFeMaSR available,..     vsSCUNet available,.. Current defaultOutputPath: is empty! -> Set it under Config->Path Current defaultTempPath: is empty! -> Set it under Config->Path Finished startup, finished after 10.648s

I move now vsgan_models to "./64bit/vsgan_models"

and here the log , VSGAN is detected

Detected NVIDIA PureVideo compatible cards: NVIDIA GeForce RTX 4090 Detected vfwDecoders with 32bit:  vidc.cvid  vidc.i420  vidc.iyuv  vidc.mrle  vidc.msvc  vidc.uyvy  vidc.yuy2  vidc.yvu9  vidc.yvyu Detected vfw64BitDecoders:  vidc.cvid  vidc.i420  vidc.iyuv  vidc.mrle  vidc.msvc  vidc.uyvy  vidc.yuy2  vidc.yvu9  vidc.yvyu   Avisynth+ is available,..     DGDecNV available,..   Vapoursynth is available,..     DGDecNV available,..     VSGAN available,..     vsDPIR available,..     vsRIFE (torch) available,..     vsBasicVSR++ available,..     vsRealESRGAN available,..     vsSwinIR available,..     vsHINet available,..     vsAnimeSR available,..     vsFeMaSR available,..     vsSCUNet available,.. Current defaultOutputPath: is empty! -> Set it under Config->Path Current defaultTempPath: is empty! -> Set it under Config->Path Finished startup, finished after 10.625s

yay VSGAN is present 
i update the procedure on my side