Instructions For Activate The Windows Server 2016 / 2019 / 2022 by Phone :
1) Please open CMD as administrator and type this:
slmgr.vbs /ipk KEY
Please replace “KEY” with your product key.
2) Then press the windows key and “R” together and type “slui 4” hit enter.
3) Then you will see Installation ID which is 63-digit numbers.
Now you can get your Confirmation ID by dialing this 63-digit Installation ID by calling one of the numbers you see on the same screen and following the instructions of the answering machine.
Please note that, in order to get your Confirmation ID without any problems you need to press 0 when it asks how many computers you have installed on.
If you’re not able to get your Confirmation ID by calling please send us a Ticket from HERE by sending your Installation ID so we can help you to complete your activation.
4) After you submit your Installation ID you will receive your Confirmation ID, now you can enter your Confirmation ID, and your product will be activated.
If you need Windows Server product keys you can purchase from HERE with best price!