Core component of SQL Server for storing, processing, and securing data
Once you download SQL Server, proceed to install it using this tutorial.
After has completed successfully, make sure to enable TCP/IP and Named Pipes protocols using instructions on this article.
Download and install SQL Server Management Studio and get connected to SQL Server following these instructions.
If you are trying to connect from other computer and not from the same box where SQL Server is installed, make sure you allow SQL Server access on the Windows Firewall.