NET Windows Server feature click on Start > All Programs > Administrative Tools > Server Manager. NET Windows Server Feature prior to SQL Server Installation
To ensure optimal performance for farm operations, we recommend that you install SQL Server 2012 or SQL server 2012 R2 or SQL Server 2014 on a dedicated server that does not run other roles and does not host databases for other applications. NET Windows Server Feature on Windows Server for details. NET windows feature on the SQL Server, if not then follow Add. User account details for SQL Server and SharePoint setup accounts are listed in SharePoint Farm User Accounts. SQL Agent must be setup to run automatically under a domain account.