you cant you have to trade with either someone who already has hd or ss or you can get another ds and another version of ss or hg and trade with yourself hope i helped
migrate or trade from ss and hg
i don't no if u can migrate Pokemon to SS and HG but i no u can trade them.Im trading or transfering my pichu and arcues to HG once i get it!!
you must migrate it from HG/SS then it will appear at the meteorites at the veilstone city
You can trade them from one game to the other, but you can't migrate them like you could from third gen games.
migrate from gba games and for joto trade from either hg or ss
You cannot trade a Pokemon from the 5th generation to the 4th generation or below. Getting Pokemon from Black/White to HG/SS is impossible. You can migrate Pokemon from HG/SS to Black/White though.
You can migrate it to your hg or ss. Or you need to go to the power plant which is close to cerlean town.
You can't get to Hoenn in HG/SS. You can use Pal Park in Fuschia City to migrate Pokemon from your Ruby/Saphire/emerald game to HG/SS, but you cannot physically go to the region, only Kanto and Johto
Pokemon cannot take held items with them, if you migrate them from D/P/Pt, or HG/SS.
Soulsilver=SS heartgold=HG KK=O.K
trade from hg/ss or migrate from fire red/leaf green otherwise its impossible without cheating.
you have to trade from hg/ss (heart gold/soul silver) or migrate from a gba Pokemon eg fire red leaf green