Use this key for Get Web activation:
Key: MXNCQ-74G4K-HX4M8-H3FWK-V****
Description: Win 2021 RTM EnterpriseS Volume:MAK
Sub Type: [Vb]X22-66092
Activation Count: 0
Error Code: Get Web
Time: 14:19:36 01/04/2022 (GMT+7)
Confirmation ID (CID):
279416-781095-792054-268136-243123-980026-224645-978120
Activation via the command line as administrator:
cscript.exe "%windir%\system32\slmgr.vbs" /atp 279416-781095-792054-268136-243123-980026-224645-978120
cscript.exe "%windir%\system32\slmgr.vbs" /ato