Windows install help

[Samustwist]

So I'm building a PC and have a Windows disc but didn't order a cd drive. I have a external usb drive and I was wondering if I could boot of of it? I also have an 8gb flash drive as well.

 

[USAFRet]

So I'm building a PC and have a Windows disc but didn't order a cd drive. I have a external usb drive and I was wondering if I could boot of of it? I also have an 8gb flash drive as well.

That external DVD drive should work.