long distance receiving

hello im dennis,
i have a quastion, since a couple of weeks i rent a room and whe have no internet yet, a friend of my lives 2 streets from me (in 100 meter range)
i was wondering if its possible to receive his internet connection.
i know he doesnt want to change his hardware so i cant change that.

i there a possibility to receive over long distance?
i dont have a wireles card in my pc, i have 1 pci slot free but
its not usefull because all the other cards are in the way.

is there a possibility to receive over longer distance?
i saw a antenna for 30 euros in a store it was about 30 cm's long