Assumes DVD or ISO image of installation media is mounted and pre-requisites from MSSQL Install page have been addressed.
Run the Setup executable (as Administrator) from the installation media.
The screenshots below are based on SQL Server Developer Edition 2012 with Service Pack 4Minimum Recommended Requirement...
Database Engine Services
Management Tools - Complete
Add other Features as required.
Get-Service -Name *SQL*
Start SQL Server Configuration Manager...
Ensure TCP/IP Protocol is Enabled
Restart Services for this to take effect...
Restart-Service -Name MSSQLSERVER -Force