The text is the filename for the first part of a compressed multi-volume archive containing the GOG (Good Old Games) version of LEGO Harry Potter: Years 5-7 . Here is what the naming convention indicates:
: This is a WinRAR archive. Because it is labeled "part1," you generally need all subsequent parts (part2, part3, etc.) in the same folder to successfully extract the game files. LEGO.Harry.Potter.Years.5.7.GOG.part1.rar
If you are looking for ways to enhance your gameplay after installing, you can find a full cheat code list on Eurogamer or follow the Years 5-7 guide on IGN for unlockables like the Gold Brick Detector. The text is the filename for the first