Install Arch

lsblk
fdisk /dev/sd*
  Root Partition
    o
    n
    Enter
    Enter
    Enter
    +20G
  Home Partition
    n
    Enter
    Enter
    Enter
    Enter
  w
mkfs.ext4 /dev/sd*1
mkfs.ext4 /dev/sd*2
mount /dev/sd*1 /mnt
mkdir /mnt/home
mount /dev/sda2 /mnt/home
nano /etc/pacman.d/mirrorlist
pacstrap -i /mnt base base-devel linux linux-firmware
genfstab -U /mnt >> /mnt/etc/fstab
arch-chroot /mnt
nano /etc/locale.gen
  Remove # from en_US.UTF-8 UTF-8
  locale-gen
  echo LANG=en_US.UTF-8 > /etc/locale.conf
  export LANG=en_US.UTF-8
ln -s /usr/share/zoneinfo/America/New_York /etc/localtime
echo myhostname > /etc/hostname
ip link
  systemctl enable dhcpcd@interfacename.service
passwd
pacman -S grub
  grub-install --target=i386-pc --recheck /dev/sd*
  grub-mkconfig -o /boot/grub/grub.cfg
exit
reboot

Install Gnome

pacman -S ttf-dejavu
pacman -S gnome gnome-extra
systemctl enable gdm.service
reboot