What will happen to my computer if I boot from a USB drive? Will it be reformatted and replace with the OS from the USB? - Quora
What will happen to my computer if I boot from a USB drive? Will it be reformatted and replace with the OS from the USB? - Quora
![Amazon.com: Fastoe Bootable USB Flash Drive for Windows 10, Bootable USB Install & Upgrade for Windows 10 Pro 32/64 Bit : Electronics Amazon.com: Fastoe Bootable USB Flash Drive for Windows 10, Bootable USB Install & Upgrade for Windows 10 Pro 32/64 Bit : Electronics](https://m.media-amazon.com/images/I/31kHoeJXrvL.jpg)