DevKitPro
Install to existing pacman
Since Arch comes with pacman
, follow https://devkitpro.org/wiki/devkitPro_pacman#Customising_Existing_Pacman_Install to add the servers.
Install group
Install the group you want, found on the wiki, for example.
bash
pacman -Syu switch-dev
pacman -Syu switch-dev
TIP
Update the mirror list if there are issues resolving pkg.devkitpro.org