For example, you could start off with Windows Vista Home Premium, upgrade to Windows 7 Home Premium, and then later choose to upgrade to Windows 7 Professional.
Ya mere, malite, n'ihi na ihe atụ, Windows Vista Home Premium, wee nweta nkwalite ya ka Windows 7 Home Premium, ị nwere ike mgbe e mesịrị proapgreditsya ka Windows 7 Professional.