What program do i need for modeling and how do i get it?

What program do i need for modeling and how do i get it?

I really want to start modelling but i don´t know what program im going to use.... is it 3d studio max? i can´t afford to buy... plz help me out...

Thx ye all in this site is so damn nice ^^ thx

i have download it but i don't know how use him ( i want know what do we must to do for open him because it is whrite : select a program for open him ~~ use web for open him) HELP ME PLZ !