How to Install COSMIC Desktop in Arch Linux

This guide will walk you through the entire process of installing and configuring Cosmic desktop environment on Arch Linux.
Ensure your Arch Linux system is upgraded to latest packages.
To begin an update of all installed packages, open any terminal emulator and pass the following command:

sudo pacman -Syu
Install yay AUR Helper in Arch Linux
Open a terminal and run the bellow commands. Provide admin password when prompted. These steps require the base-devel package and git package for compilation and installation.

sudo pacman -S base-devel

sudo pacman -S git
cd /opt
sudo git clone https://aur.archlinux.org/yay.git

Change the owner of the source directory. Replace “freebooter” with your user name.

sudo chown -R freebooter:users ./yay
Go to the directory and compile.

cd yay

makepkg -si
This completes the installation for yay in Arch Linux.

Open a terminal and install cosmic desktop packages using the below command using Yay AUR helper. You can use any other AUR helper to this as well.

yay -S cosmic

If the above command doesn’t work, try to install it from Extra repo.

sudo pacman -S cosmic
To fix App Center, install packagekit in Arch Linux using the below command and then re-launch App Center.

sudo pacman -S packagekit
In the Settings, if you see no option under “Power and Battery”, you need to install “power-profiles-daemon”. Use the following command to install in Arch Linux.

sudo pacman -S power-profiles-daemon

Using these basic configurations, you can set up your COSMIC desktop in Arch Linux, which closely resembles the Pop OS version.
Reboot system.

Sudo reboot
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