Restart PC and tap the Boot Menu key (usually F12, F11, or Esc). Select your USB drive. : Choose "Custom: Install Windows only." Format your primary C: partition to ensure a fresh start. ⚡ Post-Installation Optimization
If you are hesitant to use a custom ISO, you can "debloat" an official version of Windows yourself:
512MB to 1GB (minimum); 2GB recommended for a smooth experience. Storage: 10GB of free space. 3. Installation Guide