Based on the string , this appears to be an internal Microsoft volume licensing ISO image identifier.
Use a tool like Rufus to burn the ISO to a USB drive. ces-x64frev-en-us-dv9
While the "ces-x64frev-en-us-dv9" string may seem like a jumbled collection of characters at first, it actually holds significant meaning for Windows Insiders and developers. By understanding what this build string represents, we can gain a deeper appreciation for the complexities of Windows development and the importance of Insider Preview builds. "ces-x64frev-en-us-dv9" Based on the string , this appears
: Often denotes the "Version" or a specific build iteration. "ces-x64frev-en-us-dv9" Based on the string
If the icon is stuck on your desktop or appearing as a drive you don't need: Eject the Drive