ASROCK Z170M Extreme4 Manual page 144

Instructions
Step 1
Insert the Windows® 7 installation disk or USB drive to your system.
Step 2
Extract the tool (Win7 USB Patcher) and launch it.
Step 3
Select the "Win7 Folder" from Step1 by clicking the red circle as shown as the picture
below.
Step 4
Select the "USB Driver Folder" by clicking the red circle as shown as the picture below.
If you are using ASRock's Support CD for the USB 3.0 driver, please select your CD-ROM.
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