R2 Download Iso 64 Bit !link! — Windows Server 2016 Standard

There is no "R2" for Server 2016. The simplest method is to turn on automatic windows updates to bring it to latest build. Microsoft Learn Windows Server 2016 | Eval Center - Microsoft

Before downloading and installing Windows Server 2016 Standard R2, make sure your hardware meets the system requirements: windows server 2016 standard r2 download iso 64 bit

That said, here's a helpful, practical guide to getting a legitimate Windows Server 2016 Standard ISO (64-bit): There is no "R2" for Server 2016