I have it and use it. It's a favorite tool for me.

For those who may be interested, search for Spleeter GUI

Spleeter GUI is a single install and loads all of the necessary python and other code necessary for Spleeter to work. It's a Windows only software I believe.

I've installed version 2.9 and I've found it to work better than any on-line version I've tried.

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Spleeter GUI

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.