

While adding ISO image in first step you may get an error message like "Not Valid ISO File". Windows 7 USB/DVD Tool "Not Valid ISO" Error: Now boot from your pen drive and continue Windows installation. Within a few moment your USB Device will be bootable. Now in step 3 click on 'Begin Copying' to start the process.ĩ.

Now in step 2 click 'USB Device' to make your USB Device bootable.Ĩ. This is a free tool provided by Microsoft.Ĥ.

Now download Windows 7 USB /DVD Download Tool from official site of Microsoft or Click Here. Make a copy of Windows Disc and save it as an ISO image.ģ. If you don't have ISO image then create it using Nero or any other burning tool. To work with Windows 7 USB /DVD Download Tool you need an ISO image of Windows 7/8.Ģ.
