How To: Check the build version of Windows 10 install media

1. Double-click on the ISO file to mount it as a CD-ROM, taking note of the CD-ROM driver letter.
2. With admin rights, run the following command. In the example below, F: is the mounted CD-ROM ISO.

dism /get-wiminfo /wimfile:"f:\sources\install.esd" /index:#

(Note: Changing the index number value 1, 2, 3, etc. will show different versions, Home, Pro, Edu, etc.)

Below is an example of the Windows 10 "1809" media downloaded using the Media Creation Tool which Microsoft released yesterday 10/3/18. Windows 10 release information

Update: 11/13/18

Update: 02/07/19

Update: 04/17/19

Update: 04/17/19 (1st 1903 release)