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.