You will need to sign in with a Microsoft account and fill out registration details.
During setup, you can choose between Server Core (headless, recommended) or Server with a GUI (full desktop experience).
Choose your preferred language and select the 64-bit ISO option.
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 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
Evaluation editions will expire in 180 days. You must activate them during this time, or they will start shutting down.