If you bought a new computer or for some reason there is no operating system in your computer, follow these steps to install Windows 11 on your PC.

7. Install Sonoma Now, in your new copy of Ventura, go to System Settings, then Software Update, and select the Beta Updates dropdown to install the macOS Sonoma Public Beta.

7. Install Sonoma Now, in your new copy of Ventura, go to System Settings, then Software Update, and select the Beta Updates dropdown to install the macOS Sonoma Public Beta.

It installed without a hitch and worked fine. Later I unknowingly installed an old beta of DirectX 8.1 so I decided to re-install Windows 98 and install the final version.

If you're looking for something different and remember NeXTStep before it was bought by Apple, Haiku OS might be just the operating system you've been looking for.