Microsoft originally allowed large organizations to manage their software licenses via internal KMS servers. However, some developers found a workaround to leverage this system. Tools like the kms activator for windows 10
https://discuss.ilw.com/forum/immigration-discussion/567992-clean-windows-install-done—activation-tips convert your standard installation into a volume-licensed version, replace the retail key with a generic one, and then connect to an external KMS server—set up by the tool’s creators—to activate the software
