SQL Server 2008 R2 Installation

go to this website and download the sql server 2008 management studio http://www.microsoft.com/en-us/download/details.aspx?id=22985&hash=uODFOHNf2waeiEVMWyrQEMDB5quislZwUZ4Ge4pJOf2rudke1XpIzXISqw1PIfOfcaeFEhy73OC5daCNYDfaGA%3d%3d if the windows is 64 bit, then go for the first file, else go for the second file.

Click on New installation or add features to an existing installation.