SP4 includes fixes up to September 2017. It is the required for any security posture.
, you can download the full RTM (Release to Manufacturing) version of SQL Server 2012 Standard. Volume Licensing Service Center (VLSC) download sql server 2012 standard new
This is the final cumulative update and can be downloaded from the Official Microsoft Download Center to patch an existing installation. SP4 includes fixes up to September 2017
Unlike the free Express version, and is not available for direct public download from the standard Microsoft Download Center. download sql server 2012 standard new
This is the primary official way to still download full "Standard" or "Enterprise" ISO files. If you have an active Visual Studio Subscription, you can find legacy media in the downloads portal.