: While 2012 was a leap forward, it was also one of the final versions to offer support for legacy systems like Windows XP, as the industry pivoted toward Windows 7 64-bit.
SolidWorks 2012 Toolbox requires Microsoft SQL Server 2008 Express (64-bit). Modern SQL versions break it. Download and install SQL Server 2008 R2 Express from Microsoft's archive. Solidworks 2012 64 Bit