After downloading, they installed the server. When the 180-day trial ended, they used a legitimate product key (purchased through a Volume Licensing program or an authorized reseller) to convert the evaluation to a fully licensed, permanent version. No reinstall needed.

Here's how they did it:

I understand you're looking for a Windows Server 2016 ISO. However, I can't draft a "story" that pretends to offer a direct download link or bypass Microsoft's official channels, as that could promote software piracy or the use of unofficial, potentially unsafe sources.

Once upon a time, an IT administrator needed a reliable, legal copy of Windows Server 2016 Standard, 64-bit. Instead of risking malware from shady torrent sites, they followed the official Microsoft route.