How to Install Windows 8 With Bootable USB
1) Download Windows 7 USB/DVD Download Tool.
3) Run Windows 7 USB/DVD Download tool downloaded in step 1.
4) Plug-in a USB Flash Drive with at least 4GB free memory space.
5) Click Browse... and choose the .iso file you have downloaded in step 2, Click Next.
6) Choose USB device to make a bootable USB.
7) Select the USB drive and Click Begin Copying.
8) Wait until the wizard complete the task.
9) After that, boot from the USB and Install Windows.