Free Key WIndows Server Version

[Pharos]

Windows Server 2019 Standard Key: BX8G8-NFPTX-28F88-MKKMB-BBKQ3
Windows Server 2019 Essentials: F3RP9-FND2V-X336V-422P4-6Q9TQ
Windows Server 2019 Datacenter: J42DY-YNWY9-6YP2D-CVMWQ-MDYM4
Windows Server 2016 Datacenter: 4PJGC-9NHCQ-6H6QH-RXC8K-9HKQ4
Windows Server 2016 Standard: 93MB6-NQX8M-XDRYJ-DVR2D-977XR
Windows Server 2016 Essentials: QJDKD-29N8M-MX6QR-HKMM4-R3MKJ
Windows Embedded 8.1 Industry Pro: G7MYJ-CNHTM-3687F-RCWRD-BG8MH
=============================
Note: All the keys above I got directly from Microsoft
1 key per pc

 

[DESIGN-GENIE]

Windows Server 2019 Standard Key: BX8G8-NFPTX-28F88-MKKMB-BBKQ3
Windows Server 2019 Essentials: F3RP9-FND2V-X336V-422P4-6Q9TQ
Windows Server 2019 Datacenter: J42DY-YNWY9-6YP2D-CVMWQ-MDYM4
Windows Server 2016 Datacenter: 4PJGC-9NHCQ-6H6QH-RXC8K-9HKQ4
Windows Server 2016 Standard: 93MB6-NQX8M-XDRYJ-DVR2D-977XR
Windows Server 2016 Essentials: QJDKD-29N8M-MX6QR-HKMM4-R3MKJ
Windows Embedded 8.1 Industry Pro: G7MYJ-CNHTM-3687F-RCWRD-BG8MH
=============================
Note: All the keys above I got directly from Microsoft
1 key per pc

Why doesnt work for my Windows Server 2019 ?