One of the very best Windows Tip ever!
Control Panel -> Region and Language -> Additional Settings button -> Date tab -> Short date
Add '-dddd' at the end of 'Short date'.
God bless you, Lowell Heddings and How-To Geek!
Check it out with the screen images. -> Here
In Korean,
제어판 -> 국가 및 언어 -> 고급 설정 버튼 -> 날짜 탭 -> 짧은 날짜 칸 끝에 '-dddd'를 추가 (키보드로 타이핑 해서 넣음)
공대 나와서 개발자로 지내면서, 진짜 이걸 오늘 알다니...
(How do I get to know this today after graduating the college of Software Engineering and working as a developer until now...)