The version number 12.0.2000.8 corresponds to SQL Server 2014. Here's a breakdown:
Mainstream support ended on July 9, 2019. Extended support ended on July 9, 2024. Current Status: Ongoing support is only available through paid Extended Security Updates (ESU) Microsoft Support Finding and Changing Your License Key Microsoft SQL Server 2014 -12.0.2000.8- Key -...
This specific build is common for various editions, including: Microsoft SQL Server 2014 Express The version number 12