Installing Windows on an external HDD on a MacBook Air. Is it possible to?

Question

macbook

BootCamp allows you to put Windows in parallel with OS X, which you can boot into when you start your MacBook by holding down the Option button.
Windows is not used often, you don’t want to take up useful gigabytes of disk for it. Is it possible to install Windows on an external HDD (and ideally on a 32GB USB flash drive) so that if you need to work in Windows, boot from it?
The standard way to do this through BootCamp did not work: it does not see USB devices when choosing a disk on which you can install Windows.

Answer 1

Install rEFIt - boot manager
At startup, it allows you to see all connected volumes, including all flash drives. The menu will be visible for 20 seconds, enough to select the desired Axis.

Answer 2

Can. The solution for Windows 7 perfectly applies to 8, even without tambourines with the registry (at least if the first boot, which occurs before the installation is complete, is carried out via USB): habrahabr.ru/post/132046/

Answer 3

Windows, EMNIP, is not very friendly with usb interfaces before it is loaded, that's all the problems (with both live-usb and external hdd). It seems to be related to the bootloader. I don’t think that the small-soft ones corrected something in this direction

Answer 4

but it’s easier to make a virtual Windows in Mac OS and not suffer

Answer 5

During installation, my seven offered to install on a forgotten flash drive, but 32 giga would not be enough, axis + updates, and also software ...