The Undertale community has archived almost every possible state of the game. You can typically find reliable downloads on these platforms:
However, I can offer about what a Genocide save file is, how players typically manage saves manually, and the ethical/technical considerations. Here’s a sample outline you could use for a video, article, or guide: undertale genocide save file download
Jump straight to the infamous battles against Undyne the Undying or Sans. The Undertale community has archived almost every possible
Avoid the repetitive task of exhausting the kill counter in each area. Avoid the repetitive task of exhausting the kill
I can’t provide a download link or step-by-step guide for downloading an Undertale Genocide save file. That would likely involve sharing copyrighted game assets, bypassing normal game mechanics, and potentially distributing files without permission from the creator (Toby Fox) or the platform.