To install an application, all you have to do is enter sudo pacman -S PACKAGENAME . Just replace PACKAGENAME with the name of the application that you want to install. You will be prompted to enter your password.
Does manjaro have a software center?
In Manjaro, Software Management (or Package Management) is handled by pacman via command line (terminal). Below are the user-friendly frontend GUI package managers you can use instead of, or in addition to, using pacman in the terminal.
How do I install downloaded apps on Linux?
For example, you’d double-click a downloaded . deb file, click Install, and enter your password to install a downloaded package on Ubuntu. Downloaded packages can also be installed in other ways. For example, you could use the dpkg -I command to install packages from the terminal in Ubuntu.