How to make bootable USB Drive?


I have a copy of OS in the USB drive. My question: How to make it bootable?

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Joe FulginitiNetwork EngineerCommented:
What OS?
Dr. KlahnPrincipal Software EngineerCommented:
Generally this is done by using a program that can take a CD image and write it in a bootable fashion.  It's very useful for doing installation as it's quite a bit faster than CD/DVD.

On the other hand, if what you mean is that you want to put a bootable Windows on a USB drive ...

While it is possible to actually install Windows on a USB drive and have it run, the limitations are severe and it's not very useful to do so.  Every time such a device is taken to a new machine it sees the new hardware, invalidates Windows and it is necessary to revalidate it through Microsoft's validation servers.  But the main issue is that USB flash drives are no longer suited to run Windows as a system "drive"; the cell cycle lifetime used to be 100000 and up, but now it is down to 1000 or so.  That is OK for storing data, but when it comes to paging it'll wear the drive out very quickly.
tjieAuthor Commented:
@Joe: Windows 2016 server

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Joe FulginitiNetwork EngineerCommented:
Assuming you are trying to install the os, extract the contents of the ISO to a USB flash drive and boot VIA UEFI.

More information here:
RaminTechnical AdvisorCommented:
I'm not sure if Rufus can help you on this but it worth a try.


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Dariusz TykaICT Infrastructure Specialist Senior Commented:
One more vote for Rufus. I used it serveral times to create bootable USB sticks with different operating systems and it worked great.
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