Once activated via KMS, a device remains licensed for 180 days . It must reconnect to the KMS server periodically (usually every 7 days) to renew this timer.
This specific "Helper" version is optimized for 64-bit operating systems and typically offers the following functions: is activating windows 10 throw a kms legal? - Microsoft Q&A Kms Activation Helper V1.5 64bit
Instead of each computer connecting individually to Microsoft, they connect to a local KMS Host server . Once activated via KMS, a device remains licensed