: While not the full Developer edition, the SP4 Express edition is the final service pack released for the 2012 line. Microsoft SQL Server 2012 SP4 Express Download Key Considerations for SQL Server 2012 Microsoft® SQL Server® 2012 Service Pack 1 (SP1)
If you only need a lightweight instance for 2012 compatibility, the edition remains available for download. Note that it has significant resource limits (e.g., 1 GB RAM, 10 GB database size) compared to the Developer edition. sql server 2012 developer edition download iso updated
