Windows Server 2012/2016 Eval direct link

http://download.microsoft.com/download/6/D/A/6DAB58BA-F939-451D-9101-7DE07DC09C03/9200.16384.WIN8_RTM.120725-1247_X64FRE_SERVER_EVAL_EN-US-HRM_SSS_X64FREE_EN-US_DV5.ISO https://software-download.microsoft.com/download/pr/Windows_Server_2016_Datacenter_EVAL_en-us_14393_refresh.ISO