She don't love me, what do i do???

Hi everyone, i am a new member of mylot and also a college students,i have a problem make me lost, i love a girl who is my classmate when i am a senior student , but i don't make her konw that i...

What is your operating system?

I am a highschool student, my techer lets me make an investigation about pc system,so i request the help to the members of mylot, my friends i hope you can help me,plz tell me what is your operating...