Assuming you would like a step-by-step guide on how to boot from a USB on a Windows 10 HP laptop:
1. Insert the USB device into an available port on your HP laptop.
2. Restart your computer and press F9 key repeatedly when the first screen displays. This will open the Boot Options menu.
3. Use the arrow keys to select USB Storage Device as your boot option, then press Enter.
4. Your computer should now boot from the USB device. If it doesn't, try repeating steps 2-4 or checking that the USB device is properly inserted into the port.