Prerequisite
Before you install SQL Server, review the topics in the scheduled SQL Server installation.
Before you install SQL Server 2008 R2 in parallel with one or more instances of SQL Server 2008, see Considerations for Parallel instances of SQL Server 2008 R2 and SQL Server 2008.
Attention
For local installations, you must run Setup as an administrator. If you install SQL Server from a remote share, you must use a domain account that has read and execute permissions on the remote share.
Attention
If you are affected by a known issue in the installer, you may need to apply the cumulative update to the original media before you install SQL Server 2008 R2. For more information about known issues and detailed instructions, see How to update SQL Server (how SQL Server is updated).
Install SQL Server 2008 R2
1. Login-SQL2K8R2
2. View-Computer name