Windows 10: Is it possible to install windows in my laptop from a portable windows usb stick?

My friend has a portable windows 10 usb and uses it for everyday work. I am trying to switch from linux to windows. My question is can i install windows in my laptop using his windows portable usb stick so that he doesn't lose any of his data. I know making bootable usb to install windows but I don't have another Usb stick. Please help.

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:)

 

Installing windows off of a USB stick

Step By Step from vista:
From admin cmd prompt

1. diskpart
1a. list disk
2. select disk 1 (replace 1 with your usb drive)
3. clean
4. create partition primary
5. select partition 1 (replace 1 with your usb drive)
6. active
7. format fs=fat32
8. assign
9. exit

Copy Windows Vista's DVD ROM content to the Flash Drive

xcopy d:\*.* /s/e/f e:\ (d being your vista cd and e being your usb stick)

And that's it, boot off your usb disk

 

windows xp installation and dual core am

could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx

 

Is it possible to run Windows 7 from an USB stick?

If your purpose is to install Windows 7 on a USB stick and then swap that USB stick to another computer and run Windows 7 on multiple computers... well then the answer is no.

EDIT:

It actually is possible installing an OS on a USB and then moving it from computer to computer... This is done with a Virtual OS. However, I am assuming you are talking about a permanent install correct?