Installing SQL Server 2008 R2
The SQL Server Installation Wizard is Windows Installer-based. It provides a single feature tree to install all SQL Server components:
SQL Server Database Engine
Note SQL Server is available in 32-bit and 64-bit editions. The 64-bit and 32-bit editions of SQL Server are installed either through the Installation Wizard, or at a command prompt. For more information about SQL Server components, see Editions and Components of SQL Server 2008 R2 and Features Supported by the Editions of SQL Server 2008 R2.
By default, sample databases and sample code are not installed as part of SQL Server Setup. To install sample databases and sample code for non-Express editions of SQL Server, see the CodePlex Web site. To read about support for SQL Server sample databases and sample code for SQL Server Express, see Databases and Samples Overview.
Regardless of whether you use the SQL Server Installation Wizard or the command prompt to install SQL Server, the Setup process involves the following steps: