how to add font in windows 8

My new PC is running windows 8 (64). laptop tidak bisa masuk windows 8 I want to add a third-party font, which I used in XP/Vista etc, to Windows 8. lenovo vantage windows 8 I can find the /windows/fonts directory but can't copy my new ttf file into it? Previous Windows had an 'Install font' option, as best I recall How do you get a new ttf file into this directory Hope you can help?