Microsoft SQL Server 2008 R2 reached its , and extended support for Windows Server 2008 R2 (its common host OS) ended on January 14, 2020 . Because it is no longer supported, official ISO downloads are generally unavailable from Microsoft's public download centers.

If you head to the current Microsoft Download Center and search for SQL Server 2008 R2, you will likely be met with a "Page Not Found" or a redirect to SQL Server 2019/2022.

The ISO file typically contains multiple editions, or you may download specific versions like SQL Server Express Enterprise: Supports up to 2 TB of RAM and unlimited processors. Limited to 32 GB of RAM and 4 processors. Express with Advanced Services:

The SQL Server 2008 R2 ISO file typically has the following characteristics:

If you are looking to install or manage an existing ISO, here are the essential details: