Because the product is legacy, your download options depend on whether you need a trial or have an existing license.
You can still find the 64-bit ISO for Windows Server 2012 R2 for testing purposes. These evaluation versions typically expire after 180 days . windows 2012 r2 iso download
Is there a legitimate reason to want this OS? Absolutely. Because the product is legacy, your download options
Before downloading, ensure your hardware or virtual machine (VM) meets these minimums: Because the product is legacy