For questions about the App Center which is the default software app in Ubuntu 23.10 and later.
The App Center application is the default software app in Ubuntu 23.10 and later. It replaces the Ubuntu Software and Snap Store apps that were used in previous versions of Ubuntu.
The App Center is a Flutter-based app that provides a unified experience for discovering and installing software, regardless of whether it is packaged as a snap or a .deb package. It has a clean and modern user interface with a focus on simplicity and ease of use.
To install software using the App Center, simply click on the Install button. The App Center will take care of downloading and installing the software for you. You can also manage your installed software through the App Center, including checking for updates and uninstalling software.