Windows Vista Service Pack 1 – free unlimited installation and compatibility support

Free unlimited installation and compatibility support is available for Windows Vista, but only for Service Pack 1 (SP1). This support for SP1 is valid until March 18, 2009. Chat and e-mail support is available only in the United States and Canada.

Both email support and phone support (@ Hong Kong: (+852) 2388-9600) are available.

=== For more information ===

– Microsoft Help and Support ~ Windows Vista Service Pack 1

http://support.microsoft.com/oas/default.aspx?LN=en-hk&prid=11274&gprid=500921&x=9&y=15