Note: Microsoft allows customers to purchase Extended Security Updates (ESUs) until 2026 for this version. If you are setting this up,

Evaluation editions will expire in 180 days. You must activate them during this time, or they will start shutting down.

Choose your preferred language and select the 64-bit ISO option.

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

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.

(Hyper-V or VirtualBox)? How to convert an evaluation to a full version ? Windows Server 2012 R2 | Microsoft Evaluation Center

You will need to sign in with a Microsoft account and fill out registration details.

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)