If you want to receive a Confirmation ID (CID), then provide the product key or specify what exactly you are activating:
a) Windows 10 Enterprise LTSC 2021 (21H2)
b) Office LTSC Professional Plus 2021 (Volume)
c) Office LTSC Standard 2021 (Volume)
If you want to receive a Confirmation ID (CID), then give an answer within 1 hour!