Now you can carry your full Windows environment in your pocket!
If you want Windows installed but (not portable), you can install directly from USB installer to external drive: how to install windows on external hard drive
Alex downloads the Windows Media Creation Tool from Microsoft's official website and creates a bootable USB drive with the Windows installation files. They select the correct edition and architecture (32-bit or 64-bit) for their needs. Now you can carry your full Windows environment
→ Check BIOS: Disable Secure Boot, enable USB boot, change boot order. enable USB boot