It's important to realize that in many ways, what you actually pay for when you legally purchase a copy of Windows 7 is the product key , sometimes referred to as a CD key or key code, or incorrectly as the serial number.
Ọ dị mkpa ịghọta na n'ọtụtụ ụzọ, ihe ị na-akwụ ụgwọ maka mgbe ị zụtara ihe nke Windows 7 bụ igodo ngwaahịa , mgbe ụfọdụ a na-akpọ ya igodo CD ma ọ bụ koodu isi, ma ọ bụ na ezughị oke dika nọmba serial .