Google Books has many previews and full public domain versions of the Garuda Purana in Kannada. Because the text is ancient, older translations (pre-1920) are copyright-free and available for full PDF download.
The text begins with Garuda, the King of Birds, asking Lord Vishnu about the mysteries of death. He observes the grief of mortals and seeks to understand what happens to a person after they breathe their last. Garuda Purana Pdf In Kannada Download
While I cannot provide a direct file download here, you can find reputable Kannada translations through the following sources: Archive.org: Google Books has many previews and full public
If you are looking for digital versions of this scripture in Kannada for study or recitation, several reputable archives offer free access: A Summary of the Garuda Purana - Gold Coast Hindu He observes the grief of mortals and seeks
This is the safest repository for public domain texts.