ask:feeding array 2*2 dipole

hi
excuseme.my english language is not well.
i have an ask:
how i can feed a array 2*2 dipole in hfss with coax cable?
direct? balun? ,...
which one is better? please help me simple and slowly. please say that how i simulate it? get a picture from it's simulate.
other ask: how i connect a coax cable to dipole? please send to me it's simulate picture.
very much thanks.excuse me