This is the 432nd most frequent Hungarian word.
évig
"For a year" or "per year."
In this sentence, 'évig' is used to indicate a duration of time, specifically two years.
Két évig dolgoztam egy könyvesboltban.
I worked in a bookstore for two years.
Here, 'évig' expresses the length of time spent living in Hungary.
Tíz évig éltünk Magyarországon.
We lived in Hungary for ten years.
In this question, 'évig' is used to inquire about the duration of university education.