Because the product is past its support date, it no longer receives security updates. If you must use it, you should consider purchasing to protect against vulnerabilities through October 2026.
: You can manage and pay for ESUs for on-premises servers via Azure Arc . Essay: The Legacy and Transition of Windows Server 2012 R2 buy windows 2012 r2
: Moving your 2012 R2 workloads to Azure Virtual Machines provides ESUs at no additional cost. Because the product is past its support date,
While Windows Server 2012 R2 served as a robust backbone for global digital infrastructure for over a decade, its time has passed. Its legacy remains in the architectural shifts it pioneered, but the future belongs to cloud-native and highly secure modern environments. Transitioning away from 2012 R2 is the final step in honoring its contribution—moving forward into a more secure and innovative technological landscape. Extended Security Updates for Windows Server overview Essay: The Legacy and Transition of Windows Server
: You can download a free 180-day evaluation version from the Microsoft Evaluation Center to test the OS before committing to a purchase. Extended Security Updates (ESU)
: Existing business customers can sometimes use "downgrade rights" from a current Windows Server 2025 license to install 2012 R2.
: You can find physical copies (DVDs) or product keys on sites like eBay for approximately $40 to $350 depending on the edition (Standard vs. Datacenter).