Instead, choose one of the legal, safe, and often free alternatives:
Download via Firefox from the official Ubuntu or Mint website – safe and fast.
Altering core Windows files to stop the "Not Genuine" watermark from appearing. The Risks of Using Legacy Activators
Imagine a user—perhaps a student or someone on a budget—who finds an old laptop in a closet. It’s too weak for Windows 11, so they reinstall the lightweight Windows 7.
While the search for is common for those trying to revive old PCs, the security risks in the current year are extreme. If you must use Windows 7, ensure you are browsing with the latest possible version of Firefox to mitigate web-based threats, but prioritize moving to a supported operating system as soon as possible.
If your hardware is older, lightweight Linux distributions like Linux Mint or Xubuntu
It works by simulating a genuine OEM (Original Equipment Manufacturer) license certificate. This trick tells the operating system that it is pre-activated on a specific hardware brand, removing the "This copy of Windows is not genuine" watermark.
While standard Firefox updates (version 116+) require Windows 10 or later, the 115 ESR channel is slated to receive critical security patches through early 2026.