If you no longer have the product key to your Windows operating system but do still have the original disc, you may be able to request a replacement product key from Microsoft for just $10 USD.
Ọ bụrụ na ị nwekwaghị akara ngwaahịa gị na arụmọrụ arụmọrụ Windows, ma ọgaghị arụ ọrụ ma na-arụ ọrụ na kọmputa gị, ma ị ka nwere diski mbụ, ị nwere ike ịchọta igodo ngwaahịa gbanwere na Microsoft maka naanị $ 10, ị nwere ike ịwụnye ngwanrọ na kọmputa gị.