From the desk of
To see if your computer is ready, check your machine's DST patch level with the Daylight Saving Time patch tester at http://dst.cdes.umn.edu/If not:
Developed by Jeff Williams of the University of Minnesota, it uses JavaScript to detect patch status. If you see a green circle, you're good to go.
The link below takes you to instructions about how to make sure you computer(s) will have the update necessary to make it automatically change to Daylight Saving Time (since DST begins earlier than usual this year). If you automatically receive Windows Updates, though, you might already have received the update you need.
http://support.microsoft.com/gp/cp_dst