Keep in mind that your flash drive must have at least 4GB of free space and that creating a bootable USB drive will erase any existing data on the drive. Once the tool is downloaded and installed, you will need to insert your flash drive and follow the on-screen instructions to create the bootable drive. This can be done by creating a bootable USB drive using the Windows 7 USB/DVD Download Tool, which is available for free from the Microsoft website. Yes, it is possible to download Windows 7 onto a flash drive. What size USB do I need to install Windows 7?.Is it possible to install Windows on a flash drive?.
Why can’t i install Windows 7 with a USB?.
