Maya found the official download page: Microsoft SQL Server Data Tools – June 2010 (version 10.3.20506.0). She also noticed a warning: This version is deprecated and only supported for legacy projects. For new development, use SSDT for Visual Studio 2019 or 2022.

Before 2010, developers used , which was bundled with SQL Server installation media. The "new" SSDT 2010 release was significant because it:

When SQL Server 2012 was released, Microsoft renamed BIDS to . However, the version of SSDT that shipped with SQL Server 2012 actually required Visual Studio 2010 Shell (Isolated mode).

SQL Server Data Tools (SSDT) was originally released in 2010 as a standalone download to provide a unified environment for database and Business Intelligence (BI) development within Visual Studio 2010 Microsoft Learn Availability & Modern Alternatives

If you successfully find an MSI file named SSDTBI_x86.msi from a random third-party blog, do not run it . It is either an old official file (safe but obsolete) or malware (likely). Always verify the SHA hash against Microsoft’s old MSDN library.