References:

• https://gist.github.com/mattiaslundberg/8620837
• https://wiki.archlinux.org/index.php/Installation_guide
• http://www.muktware.io/arch-linux-guide-the-always-up-to-date-arch-linux-tutorial/ (Link is broken)

There are 2 choices:

• UEFI/GPT mode: UEFI boot mode / GPT partition table
• BIOS/MBR mode: Legacy boot mode / MBR partition table

I tried to install in UEFI mode, but my laptop (Acer E5-475-336H) had problems with it, and didn't boot after installation.