Command to Find Version of Windows on USB Stick

Current Versions:

https://technet.microsoft.com/en-us/windows/release-info.aspx

For a USB Stick:

dism /Get-WimInfo /WimFile:H:\sources\install.esd /index:1

For a PC:

in the run box type:

winver

References: http://winaero.com/blog/how-to-see-which-build-and-edition-of-windows-10-the-iso-file-contains/