: At least 1 GB, though 4 GB or more is highly recommended for production environments. Disk Space
SQL Server 2008 R2 Standard Edition (64-bit) is a reliable but officially unsupported legacy database platform sql server 2008 r2 standard edition 64 bit iso
Microsoft SQL Server 2008 R2 Standard Edition 64-bit is a robust relational database management system designed to support a wide range of applications and workloads. This version, specifically the 64-bit iteration, is optimized for 64-bit hardware and operating systems, offering enhanced performance and the ability to handle larger databases and more complex computations compared to its 32-bit counterpart. : At least 1 GB, though 4 GB
If you have an active Visual Studio subscription (formerly MSDN), you can access archived versions under "SQL Server" downloads. : At least 1 GB