Use the repack only if you cannot buy the legal version. If you proceed, follow the steps above, and you’ll be casting spells in Hogwarts within 30 minutes.
NVIDIA GeForce 6800 or ATI Radeon X1950 (or better) LEGO Harry Potter Years 5-7 Fitgirl Repack
The game runs perfectly on almost any PC from the last 10 years, including low-end laptops with integrated graphics (Intel HD 4000 or newer). Use the repack only if you cannot buy the legal version