To use RTX 50 Series GPU (Blackwell), you need to replace some files. First download CUDA build of 1.3.2 or newer verions (make sure that you've downlaoded the GPU build), and download the torch runtime for blackwell from this release. After extracting the main program, remove the torch folder and replace it with this torch blackwell runtime.

Updated on Jul. 11th, 2025: The new torch-blackwell-for-2.x.7z added missing DLLs that 2.x would require

P.S. Uploading files GB-size with 10Mbps bandwidth is really annoying