Here's how to do it: This will probably be the case if you bought Windows 7 yourself, or a smaller computer company installed it for you as part of your custom PC purchase.
Nke a ga-abụ ikpe ma ọ bụrụ na ị zụtara Windows 7 n'onwe gị, ma ọ bụ ụlọ ọrụ kọmputa dị nta ka ọ wụnye ya maka gị dị ka akụkụ nke azụmahịa PC gị.