Hīkoi 1: Whakatuwhera koe cmd (Whakahaerehia hei kaiwhakahaere), then you type
dism /online /get-targeteditions
You will see Windows Server 2019 editions you can upgrade
Hīkoi 2: You copy and paste this code in cmd
If you want to upgrade to Windows Server 2019 Datacenter you type:
Dism / Online / Tautuhi:Kaituku / Huarahi:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula
Tuhipoka:
Mena ka kite koe i te "whakahoutanga kua pakaru", Ka whakaara ano koe i to Tūmau Windows 2019. It will upgrade Windows Server 2019 Evaluation to Datacenter.