Frankly speaking, I am not an expert of tools, nor I work with such tools every day. Today, my office manager ordered this item online for personal use. I looked at user's review and found this toolbox a recommended thing for those who need a hard toolkit for general purposes.
You need a Pendrive in minimum 8GB size and fast internet connection to download official ISO file & the application, which will make a bootable pendrive.
Essential Requirements to make bootable pendrive for Windows OS
I am sure you have an 8GB pendrive, if not then buy it online or from a