ASROCK H270 Pro4 Manual page 170

Step 5
Select where to save the ISO file by pressing the red circle as shown as the picture below.
Step 6
If you want to burn the patched image to a CD, please check "Burn Image" and select "Target
Device to Burn". If not, the patched ISO image will be exported to the destination selected
in Step5. Then Press "Start" to proceed.
Step 7
Now you are able to install Windows® 7 on processors with the new burned CD. Or please
use the patched ISO image to make an OS USB drive to install the OS.
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