Pacman is the way to go when you are using Arch Linux. Once you understand this powerful package manager and its flexibility, you won't look at GUI based front-ends.
This video covers the basics of installing packages using pacman.
Command explained:
pacman -S package_name
Further reading:
https://wiki.archlinux.org/index.php/...
Platform:
Arch Linux
Software used:
Libreoffice Impress
Deepin-Screenrecorder
Audacity
Openshot