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What is a Bootable USB?
An ISO image is an archive file that contains all the information found on an optical disc, such as a CD or DVD. This could, for example, be a Windows installation Media (Like CD and DVD).
At the Time of Operating System Installation, You start up your computer, it boots from the operating system which are stored on your internal USB Stick or Hard Disk Drive. By running the bootable USB however, you can boot up your computer using the USB’s ISO image instead.
Bootable USB Stick are useful if you ever need to recover, repair or install an operating system on your computer and laptops.
Normally, whenever you start up your computer, it’s boot from the operating system which is stored on your internal hard drive. By running the bootable USB however, you can boot up your computer using the USB’s ISO image instead.
Create a Bootable USB using Rufus.
Rufus is one of the best software programs that allow you to create Bootable USB from “ISO image” file. To create a bootable USB using Rufus, all you need is:
- Your ISO of choice, Windows 7, 8, or Windows 10
- The latest version of Rufus (download available online from https://rufus.ie)
- USB stick (minimum 8GB USB should be required for create Windows 10 bootable but make sure you have to check your ISO size before using)
Once you’ve got these ready, just follow these steps to make your own bootable USB:
Step 1: Open Rufus software and insert your blank USB stick into your computer or laptop.
Step 2: Rufus will automatically detect your USB. Click on Device and choose the USB you want to use from the drop-down menu.
Step 3: Make sure the Boot Selection option is set to Disk or ISO image then click Select. Rufus will open a file explorer browser window; locate the ISO image you want to burn onto the USB and select it.
Step 4: You’ll generally want to create a Standard Windows installation, and Rufus will automatically detect the correct Partition Scheme based on your device, so keep the default settings as they are. However you can also change these as per your need.
Step 5: Give the Volume name of your choice, and leave it to default settings for File system and Cluster size. Now click Start
Step 6: You’ll get a warning saying that any data on the USB will be destroyed before creating bootable USB (this is normal). Click OK and Rufus will start creating the ISO image in to USB.
Step 7: Once Rufus has finished creating the ISO image on the USB, you can close it and your bootable USB is ready to go!