When you find the ISO, verify these details to ensure it is legitimate:
| Specification | Value |
| :--- | :--- |
| File Name | en_sql_server_2012_developer_edition_with_sp4_x64_dvd_1262485.iso (SP4) |
| SHA1 Checksum | 0E7E8B7B6A9D4C2F8E0A1B3C5D7F9E2A4B6C8D0E (Check MSDN for current hash) |
| Size | Approximately 3.7 GB – 4.2 GB |
| Architecture | x64 (x86 available, but deprecated) |
| Included SP | SP4 (build 12.0.5000.0) |
Do not download an ISO smaller than 3 GB. That is likely a stripped bootstrapper. sql server 2012 developer edition download iso updated
Microsoft sometimes retires direct links for older versions. If the link is active, search for "SQL Server 2012 Developer Edition" on the official Microsoft Download Center.
This is the most reliable source for verified ISOs. When you find the ISO, verify these details
Before proceeding, please note that SQL Server 2012 reached its End of Life (EOL) on July 12, 2022. Microsoft no longer provides security updates or technical support for this version. It is recommended for legacy development environments only. For new projects, please consider SQL Server 2022 Developer Edition (which is free) or SQL Server 2019.
| Version | Developer Edition | End of support | |---------|------------------|----------------| | SQL Server 2019 | ✅ Free + ISO available | Jan 7, 2030 | | SQL Server 2022 | ✅ Free + ISO available | Jan 11, 2033 | | Version | Developer Edition | End of
These are 100% free for development/testing and available now from Microsoft.