Where did you get that link? This is obviously incorrect (that website doesn't exist).
I believe the app to install other apps on Mate is called the "software boutique". There's also information on how to install the software center app here: https://askubuntu.com/questions/904177/how-do-you-get-the-regular- software-center-from-ubuntu-on-ubuntu-mate ** Changed in: gnome-software (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1799119 Title: Software Center name not in DNS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1799119/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs