If purchasing a license is not viable, open-source operating systems like Linux (e.g., Ubuntu, Linux Mint) provide entirely free, highly secure, and modern computing environments that run efficiently on older Windows 7-era hardware.
If your hardware cannot support newer versions of Windows, consider installing a lightweight, free Linux distribution like Ubuntu or Linux Mint. These operating systems are secure, entirely free, and run well on older hardware.
Instead of using tools like KJ Pirate Activator, consider the following legitimate alternatives: