Windows Server 2022 Datacenter key: WX4NM-KYWYW-QJJR4-XV3QB-6VM33
Windows Server 2022 Standard key: VDYBN-27WPP-V4HQT-9VMD4-VMK7H

In elevated powershell or command prompt:

> slmgr.vbs /ipk WX4NM-KYWYW-QJJR4-XV3QB-6VM33
> slmgr /skms kms.dhitechnical.com

then

> slmgr /ato