You can just copy or move the savegame files to her computer. Open the Fish Tycoon folder and look for files named FishTycoon**.ldw (where ** is a number). There may be up to 11 of those files, depending upon how many player slots you are using. The single-digit numbers are your "primary" savegame files and are numbered 1-5 (corresponding to the player slots). The two-digit numbers are the "backup" savegame files, and are numbered 21-25. There is also a file FishTycoon0.ldw which contains settings. You can copy or move just the file(s) associated with her game-in-progress, if you want her to have just her new game.