How to create a bootable image file of windows 7?

I'm going to do clean install but i dont knpw to create a bootable image file of win 7 on a disc? what do i need to do this?and what type of CD do i need for this.. i have CD-R here.. can i use that??

 

A CD is tiny, only 700MB, and will not fit the 2-4GB windows ISO. You need a writable DVD and a valid product key for Windows 7 to do this.

1) Download the corresponding version for windows 7 here: Download Windows 7 ISO ? Official Direct Download Links - download windows 7, download windows7, win 7, Windows 7, windows 7 amazon, windows 7 digital river, windows 7 direct download, windows 7 download links, windows 7 ISO, windows 7 iso image, w

2) Burn the ISO to a DVD using your favorite disc recording program. If you are using Windows 7, you can do this in Windows once the ISO is downloaded.

And that's it. You'll be prompted for a product key, and you can't mix versions, ie: a key for Windows 7 Home Premium will not work with Windows 7 Ultimate. Also, if the product key is from the bottom of your computer, I'm not sure this will work for you, as that means you have an OEM key (a key specific to a computer manufacturer, not valid for retail DVDs).

 

He'll have to call Microsoft product activation and get a new key.