How to Create Bootable USB Drive

Create Bootable USB Drive

Start PowerISO (v6.5 or newer version, download here).

Embed / Insert the USB drive you expect to boot from

Choose the menu "Tools > Create Bootable USB Drive".

The "Create Bootable USB Drive" dialog will popup. If you are using Windows Vista or above operating system, you need confirm the UAC dialog to continue.

In "Create Bootable USB Drive" dialog, click "..." button to open the iso file of Windows operating system.
Select the correct USB drive from the "Destination USB Drive" list if multiple USB drives are connected to the computer.
Choose the proper writing method. "USB-HDD" is recommended.
Click "Start" button to start creating bootable USB drive.

PowerISO will alert you that all data on USB drive will be destroyed. Click "OK" to continue.

The program will begin composing USB drive, and demonstrating the advancement data. You ought to get the message "Composing USB drive finished effectively." after the task finishes.