What happens next?

How to install windows 7 using pen drive
Create an iso from your installation disc (if you have one).
The easiest way to create an installation usb drive is to use an iso, or disc image, of your windows 7 installation disc. If you have your disc, you can create your own iso in just a few minutes.

OPTIONS:
-- If you don't have your windows 7 installation disc, see the next step. Insert the windows 7 installation disc into your dvd drive.
-- Navigate to " system preferences " and click on " drivers " on the startup menu. Navigate to " the control panel " window, and click on " display " (applications, features, and add-ons).
-- Open notepad tool and input your 32-bit patch amount. Under notepad function, input your patch amount using the graph tool following the graphs tab.
-- Insert your usb drive into the same drive you've just created. The drive will send your copying file to the computer.
If you don't have your windows 7 installation disc, see the next step. Insert the windows 7 installation disc into your dvd drive.