Download a hotfix without contacting Microsoft?

I am working on Windows 7 Embedded recently, and need some hotfix, which is not publicly released by Microsoft. I found this article very useful.

How can you download a hotfix without contacting Microsoft?

Here is the tricks:

A customer can get the fix they want without calling in to Microsoft, assuming they know the KB number of the hotfix they want and can remember the URL format for a self-service hotfix request:

http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=KBNumber&kbln=KBLanguage