Installation is blocked on compressed drives. Ensure your target installation drive is not compressed.
If you are looking for an English version or specific service-pack-integrated versions, the following community-sourced links have historically been reliable: sql server 2012 developer edition download iso updated
Microsoft has removed the direct public download links for SQL Server 2012 from their primary websites. The active life of the product has ended, and the company's distribution focus has shifted to current and supported versions like SQL Server 2019, 2022, and 2025. Installation is blocked on compressed drives
However, be aware that some features available in Developer/Enterprise editions may not exist in lower production editions (Standard, Express), potentially creating deployment challenges if you're not careful. The active life of the product has ended,
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