using the KMS activation method, the system contacts the registered server every 7 days, and if contacted successfully it will automatically renew and reset the activation for the full period of 180 days again, starting from the day of successful contact. As long as meron kang internet connection twice in 6 months, there's nothing to worry about expiration. However, If the system cannot contact the server, it will be deactivated after 180 days and it will remain deactivated until contact can be restored. To renew the the activation, you just have to activate it again using Activate2021VL.txt