我的VISTA 旗艦版SP1無法升級WINDOWS 7.......

In order to upgrade, you need a Windows installation disc that uses the same language as the language installed on your computer. If you don’t have a Windows installation disc in the correct language, you can choose to install a new copy of Windows 7 Ultimate instead, but this is different from an upgrade, and does not keep your files, settings, and programs. You’ll need to reinstall any programs using the original installation discs or files. To save your files before installing Windows, back them up to an external location such as a CD, DVD, or external hard drive. To install a new copy of Windows 7 Ultimate, click the Back button and select “Custom (advanced)

會顯示上述字樣

無法升級

請問有人知道問題出在哪裡嗎><

我挺想玩玩WIN7說~"~