There are four different methods of installing the game, ranging from a complete CDcopy that takes the full 1 GB of hard drive space to a bare minimum install that uses CD swapping when the movies are needed.
The system could the force a reboot if it detects what it considers an infringing act, such as attempting to copy a CD or DVD, even if that disc isn't explicitly protected by StarForce.
But Nigel Holness, director of London Underground, said its staff has been so moved by McCollum's story that they dug up the recording and gave the widow a copy of the announcement on a CD for her to keep.