FAQ on Vista...
Ici : https://www.activewin.com/faq/longhorn.shtml
Q: What is Windows Vista?
Q: What is “Longhorn"?
Q: Will applications created for operating systems prior to “Windows Vista" be supported?
Q: When will "Windows Vista” be released?
Q: When will the Window Vista beta program begin?
Q: What is the official Microsoft Windows Vista website?
Q: When was the official name of Windows Vista released?
....