This is where things get suspicious. Windows XP and Vista are dead operating systems (no security updates since 2014 and 2017 respectively). Any tool claiming to activate them "permanently" is either:

Unlike the official Microsoft activation process, which verifies a unique product key against Microsoft servers, tools like KJ Activator modify system files or install a local service to mimic this verification process.

The tool generally functions by emulating a . It tricks the operating system into thinking it has successfully connected to a legitimate licensing server, which temporarily activates the product (often for 180 days) and then attempts to renew that activation automatically. 2. Performance & Features

Keep in mind that using activators for Office may also pose risks and limitations.

Avoid using KJ Activator or similar unauthorized activators. Opt for legitimate and secure activation methods to ensure your system's stability and security.

For organizations, Microsoft offers Volume Licensing which is the standard way to manage multiple permanent activations.