http://www.microsoft.com/taiwan/oem/promo/windows7_upgrade/default.htm
台灣微軟:2009/06/26 ~ 2010/01/31 買 preloaded vista (Home Premium/Business/Ultimate)的電腦,可參考此網頁確認是否可以升級到windows 7
http://www.microsoft.com/taiwan/promo/windows7upgrade/service.htm
各廠牌升級說明(有連結喔)
買筆電之前先check 這一頁就對了啦~~
【這裡以Lenovo為例...】
http://www.lenovo.com/us/en/windows7/
But there's no need to wait; Lenovo will mail you a FREE license upgrade to Windows 7 if you buy a Lenovo laptop or desktop with an eligible Windows Vista® version between June 26, 2009 and January 31, 2010.1
Microsoft Windows Vista® Home Basic, Windows Vista® Starter Edition and Windows® XP (all editions) do not qualify for upgrades to Windows 7 under this program.
Lenovo: HP -> HP, Business -> Pro, Ultimate -> Ultimate