KMS : Key Management service of Windows which allows activation of Windows.
You can know more about it by typing:
"slmgr /?" on Command Prompt
IMPORTANT
1.Unistall the Previous Activators which You could have used (coz of which u r here :) )
By Running "sfc/scannow" on Command Prompt . ( As Admin , which fixes System Files )
2.Synchronize your Time Zone with Windows Time Zone Service n get to the Commands below :
# Open CMD (as admin)
# Run these one line after the other
by replacing <KMS KEY> and <KMS SERVER> with a KMS Key/Server from the links below:
"slmgr.vbs -ipk <KMS KEY>
slmgr -skms <KMS SERVER>
slmgr.vbs -ato"
Available KMS KEY :: NG4HW-VH26C-733KW-K6F98-J8CK4
KMS SERVERS Status ::
***.134.1.42:1688 ---------- offline
*****21.no-ip.org ---------- online
***.dant.net.ru ------------ offline
****deltaone.net:1688 ------ online
****kms4.mooo.com:1688 ----- offline
working : fourdeltaone.net:1688