This might have been a long-running mistake on the part of Digital River, or perhaps Microsoft simply didn't mind considering the fact that you need a valid product key to use Windows 7 for more than 30 days anyway.
Nke a nwere ike ịbụ ndudue nke Osimiri Digital, ma ọ bụ ma eleghị anya, Microsoft echeghị na ị ga- achọpụta na ị chọrọ igodo ngwaahịa bara uru iji Windows 7 maka ihe karịrị ụbọchị 30 ọ bụla.