I notice you're looking for "Windows Server 2016 Standard R2" — just a quick clarification: version. The last R2 release was Windows Server 2012 R2. For Windows Server 2016, it's simply "Windows Server 2016" (Standard or Datacenter editions).
To clarify a common misconception, there is no official release named Windows Server 2016 R2 Microsoft Learn windows server 2016 standard r2 download iso 64 bit
Looking for a Windows Server 2016 (Standard R2) 64‑bit ISO? Here’s what to know and how to get it safely. I notice you're looking for "Windows Server 2016
"An admin searched for 'Windows Server 2016 R2 ISO' and found an unofficial torrent site. The file claimed to be 'fully activated.' After install, the server ran for three days — then encrypted all drives with ransomware. The attacker had planted a backdoor in the modified ISO. Restoring from backups took two weeks." To clarify a common misconception, there is no