After install the OS

You need to run

getfreeos-key

Now

NVIDIA

sudo pacman -S --needed nvidia-dkms nvidia-utils lib32-nvidia-utils nvidia-settings vulkan-icd-loader lib32-vulkan-icd-loader

AMD

sudo pacman -S --needed lib32-mesa vulkan-radeon lib32-vulkan-radeon vulkan-icd-loader lib32-vulkan-icd-loader

Intel

sudo pacman -S --needed lib32-mesa vulkan-intel lib32-vulkan-intel vulkan-icd-loader lib32-vulkan-icd-loader

If you don’t have NVIDIA

sudo pacman -Rs nvidia-dkms nvidia-utils nvidia-settings

bluetooth
sudo systemctl start bluetooth.service
sudo systemctl enable --now bluetooth

SSD trim
sudo systemctl enable fstrim.timer

Gamemode
systemctl --user enable gamemoded && systemctl --user start gamemoded

Firewall
sudo systemctl start ufw.service
sudo systemctl enable --now ufw