Most of the users still don’t know How to Install Windows 7 via bootable USB. For a successful installation, first users need to download the ISO file (installation package) from the Microsoft store. ISO file needs to be unzipped prior to the installation. For that, users need to take benefit of the USB/DVD tool which is also available on the online store. Once you satisfied these prerequisites, you can easily proceed with the installation process. Call windows 7 customer care for technical assistance of any kind.