how can i download msdn Microsoft

[markone2]

how can i download Microsoft MSDN Library

[MATLABdude]

Get a subscription to MSDN, or, if you're still at University, MSDN-AA (Academic Alliance--free if you're in a related discipline):
http://msdn.microsoft.com

EDIT: Nevermind, looks like it's freely available--in part or in whole. See the Wikipedia article for more details:
http://en.wikipedia.org/wiki/MSDN_Library