If you want to use a Portable OS, then create a Windows to Go version of Windows 11 with the help of Rufus and the steps mentioned here.

Did you know that a full copy of Windows can be installed and run from a USB drive? Microsoft introduced "Windows To Go" with Windows 8 Enterprise ...

Safely downgrade from Windows 11 24H2 to 23H2 using the Go Back feature, ISO installation, or Windows Recovery. Follow these steps to restore performance and stability.

You can change Windows To Go Startup Options (Enable or Disable) in multiple ways. It is possible using command prompt, Registry, Group Policy & Control Panel.

Worried about workers traveling internationally with sensitive company data on a laptop? A Windows to Go USB stick might be the answer for intrusive searches or bans on airplanes.

But note: If you’re using shortcut keys, you may need to use multiple arrow keys + the Windows key to get the windows to go where you want them in these split screen setup types.