Your software manager is your Linux app store. Allow your browser to open it, then choose Install.
Open in software manager설치하기 전에 리눅스 배포판 설치 가이드를 읽어보세요
Open the file from your downloads folder in your software manager, then choose Install.
The .flatpakref file points to the app. Downloading it does not install it.
After setup, paste this into a terminal on your Linux computer and press Enter.
flatpak install flathub org.kde.kodaskanna