Get the official 180-day ISO from Microsoft →
Insert USB/DVD or attach ISO in VM. Reboot and press appropriate key (F12, F2, ESC) to enter boot menu. Select your media. microsoft windows server 2016 standard download iso 64 bit
If deploying on Hyper-V, VMware, or VirtualBox: Get the official 180-day ISO from Microsoft →
For the original RTM build (14393.0):
In Server Manager → Local Server → Computer name. Reboot to apply. microsoft windows server 2016 standard download iso 64 bit
If your organization has a Visual Studio Enterprise or Professional subscription: