If you are plugging your portable drive with a new computer for the first time, it may take some time installing all new drivers but after that, it will be just like using your Windows from your own computer at your home. Now in boot system, you need to choose external hard drive as the first boot drive and next time when the system is turned on, you will be using your windows without any trouble. All you need to do is plug in your portable drive and restart the computer. This is a quick and easy process and you can do it without any assistance. Once the installation is complete, you will have to boot from your portable drive. The time for installation may vary for each one of you depending on the speed and performance of your hard drive. The installation will begin as soon you press Next button.

Usually the first partition is for system and second is for boot. Once that is selected, you will also have to choose and mention the partition for the system and boot. In next step, you will be asked to select the destination disk which will either be an external hard disk or USB drive. Also select the operating system which you need to install and then click next.Īlways make sure that your drive is formatted as NTFS before performing this operation. To do that, you will simply need to run the download WinToUSB software and follow the steps.įirst step of WinToUSB is to choose the ISO disc by choosing it location from your operating system. First of all, download WinToUSB software on your computer and install it.Īfter that, you will have to create your portable drive.Once you have all above mentioned things, you can begin with installation.An app or software known as WinToUSB which will make this installation possible.External hard drive is given preference over USB drive because it works relatively faster but if you are using USB drive, try using USB 3.0 instead of 2.0. See how to get Windows 10, Windows 8, 8.1 or 7 official ISO files.

You must have Windows Installation Disc or ISO image for Windows 10 or 8.

Wintousb which partition drive