You will also be required to register with Microsoft. If you have a Hotmail or Windows Live account already then use that. If not then you will need to sign up (it is free) for one.You'll need a reasonably fast Internet connection to the PC where you are going to install Visual C Sharp 2005 Express Edition. Dial-up will not cut the mustard for 330Mb downloads! If you have installed any other Visual Express Edition (C++, Visual Basic) and have already downloaded the MSDN help then the download will be approximately 30MB.
On the next page : Download and Install Visual C# 2005 Express