"In Korea people eat chicken and beer."
Translation:한국에서 사람들이 치맥을 먹어요.
You can install the korean keyboard on your phone or computer in the language settings of your device, but if you're on pc you will need a bit of practice to memorise where each letter is, since your keyboard probably has a latin alphabet printed on the keys. You can easily swift between languages and will not have to change the settings everytime you want to type in a different language. Just google "how to install korean keyboard on [your device]" for more specific instuctions