- Download the latest KOReader [release](https://github.com/koreader/koreader/releases).
- Extract the `koreader` folder of the zip into the `.adds` directory of your device. You'll probably also want to [prevent Kobo from scanning hidden folders on 4.17+](#important-notes).
- Create a new file, `.adds/nm/koreader`, with the contents `menu_item:main:KOReader:cmd_spawn:quiet:exec /mnt/onboard/.adds/koreader/koreader.sh`.