Easy way: get a Slingbox and use the SlingPlayer App Harder way: get an Elgato EyeTV Most complex (but versatile way): get a tuner like the Silicon Dust HDHom

Easy way: get a Slingbox and use the SlingPlayer App Harder way: get an Elgato EyeTV Most complex (but versatile way): get a tuner like the Silicon Dust HDHomerun and set up a Mythtv or Plex system. (All of the above require an antenna.) Edit: obviously, you can also use Aereo!