The About window, which displays information about the version of The GIMP you are running and the many authors who wrote it.
command shows theThis dialog also shows the Check for updates button that you can use to manually check whether you have the latest version of GIMP. If you have enabled automatic update checking, then this box may show you that a new version of GIMP is available. In that case the button will allow you to go to the newest download for GIMP.