The first step is to download and install the Windows 7 USB/DVD Download Tool.
Under Installation, follow the instructions to download and install the tool on your PC.
Second, copy the Windows 7 ISO file to a USB flash drive:
Make sure you've copied any files on the USB flash drive to an external location. The Windows 7 USB/DVD Download Tool will erase any data on the USB flash drive.
Click the Start button , click All Programs, click the Windows 7 USB/DVD Download Tool folder, and then click Windows 7 USB/DVD Download Tool.
Step 1: Choose ISO file, click Browse, browse to the Windows 7 ISO file you downloaded, click it, click Open, and then click Next.
Step 2: Choose media type, click USB device.
Step 3: Insert USB device, click your USB flash drive in the drop-down list, and then click Begin copying.
If you see a dialog box that says that there isn't enough free space on the USB flash drive, click Erase USB Device, and then click Yes. When the process is finished, click the Close button in the upper-right corner of the window.
Now, you’re ready to install Windows 7 using a USB flash drive:
If you don't need to start your netbook using the USB flash drive, you can simply browse to the USB flash drive, and then double-click setup.exe to begin Windows 7installation.
To start your netbook using the USB flash drive:
1. Turn off your netbook, insert the USB flash drive, and then restart your netbook.
2. Press any key when prompted, and then follow the instructions that appear.
3. On the Install Windows page, choose your language and other preferences, and then click Next. If the Install Windows page doesn't appear, and you're not asked to press any key, you might need to change some system settings.
4. Follow the instructions to finish installing Windows 7.
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