使用Windows 7 Upgrade版只要前一版Windows是有啟動/認證過
Upgrade版會偵測後進行Custom Installing就可以直接使用Upgrade verson的序號


但是如果是啟動過Upgrade版啟動過有需要再重新安裝,序號授權依然可以再啟動?還是需要備份相關檔案來省略再啟動?




(有Windows 7 Upgrade版但硬碟裡沒有前一版Windows時...)
Clean Install Windows 7 With Upgrade Media and Product Key on Formatted or Empty Blank Hard Drive
http://tinyurl.com/yhyvy2f