If you are a Volume Licensing customer, you can download the full retail/volume ISO under the Billing > Your products > Volume licensing tab. Steps to Download (Evaluation Center)
Minimum requirements include a 1.4 GHz 64-bit CPU, 512 MB RAM, and 32 GB disk space, though for production, at least 2 GB RAM and 50 GB disk space are recommended. Download W2012R2 Server ISO
You will need to sign in with a Microsoft account and fill out registration details. If you are a Volume Licensing customer, you
Note: Microsoft allows customers to purchase Extended Security Updates (ESUs) until 2026 for this version. If you are setting this up, Downloading the Windows Server 2012 R2 ISO allows
Evaluation editions will expire in 180 days. You must activate them during this time, or they will start shutting down.
Downloading the Windows Server 2012 R2 ISO allows you to deploy a mature, enterprise-class platform. Although mainstream support has ended, it remains a robust choice for testing or specialized environments, offering a 180-day evaluation period for assessment. Primary Official Sources
Go to the official Windows Server 2012 R2 download page.