This can be downloaded from The Microsoft SQL Server download site http://www.microsoft.com/en-us/sqlserver/get-sql-server/try-it.aspx
Be aware that newer versions of SQL server might not be compatible with earlier versions of windows.
You will need SQL server management studio running on a machine somewhere (either the local machine or on the network) to be able to manage SQL server.
From Control Panel > Programs and Features > Turn Windows features on or off, select the following:
Start the NET.TCP port sharing service.
See help topics on how to enable and configure the NET.TCP port sharing service, for further information.
The WebSphere MQ .NET Managed Code Client will need to be installed if your CICS or batch applications make use of the WebSphere MQ MQI verbs. Supported versions of the MQ .NET managed code client are: