When it comes to free operating systems, you're probably thinking 'but it's not Windows'! ReactOS is a free and opensource OS that is based on Windows NT design architecture (like XP and Win 7).

The big four desktop operating systems are macOS (once called OS X), Linux, Chrome OS, and, ... Windows 8.1 was a free Hail Mary upgrade for Windows 8. Windows 10 was free for a year.

While Windows is a paid product and macOS is exclusive to Apple hardware, Linux is a completely free operating system ...

For those looking to return to a more classic Windows operating system with greater security, look no further than FreeXP.The open-source operating system mimics Windows XP, which users might ...

If you’re not running one of those operating systems, you can still download the Windows 10 ISO from Microsoft. Just head to the Windows 10 download page on Microsoft’s website.

If your PC doesn't meet one or more of the requirements above, it can't officially run Windows 11. If that's the case, you’ve got three main options. The easiest is to continue using Windows 10.

However, Microsoft would launch its own GUI operating system, Windows 1.0 in 1985, ... Linux is a completely free operating system designed for computers. As an open-source OS, ...