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

Standard KMS activations expire every 180 days; these tools often install a background service or scheduled task to renew the license automatically, maintaining a "permanently" activated state. Architecture Support:

Kms Activation Helper V1.5 64bit !full! -

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