Windows Server 2012 End of Life –– How do You Secure Legacy Servers?
:For organizations using a Key Management Service (KMS) host, Microsoft provides official GVLKs. For example, the GVLK for Windows Server 2012 R2 Standard is: D2N9P-3P6X9-2R39C-7RTCD-MDVJX .
: Ensure your hardware meets the minimum specs to avoid performance bottlenecks: 1.4 GHz 64-bit CPU, 512 MB RAM, and 32 GB of disk space. The Better Path: Migration