yep is free, but better install a lite version. i mean if you want to be free of those Troublesome and even dangerous programs that only spy on your PC and keeps a record of your internet activity as Bunzi Buddy or Gator for example.
you can download a lite version here: http://doa2.host.sk/
6x Australian Open champion / 1x French Open champion / 3x Wimbledon champion / 2x US Open champion
30 Masters titles / 5 World Tour Finals titles / 68 ATP titles / Davis Cup champion
4x Year End no.1 / 223 Weeks at no.1 / ATP rankings record: 16.950 / NCYGS