Find the original article written by Swapnil Bhartiya here: http://www.muktware.io/arch-linux-guide-the-always-up-to-date-arch-linux-tutorial/
Download the latest ISO image of Arch Linux. Once you have downloaded the image it’s time to create a bootable USB drive. If you are on a Linux or Mac OS machine, you can use the ‘dd’ utility. If you are on a Windows system then you will have to use tools such as Rufus or USBWriter. If you have Cygwin installed on your Windows machine, then you can also use the ‘dd’