Here is a detailed breakdown of what each segment means.

(Note: If your installation media uses an optimized format, change install.wim to install.esd ) . Step 4: Analyze the Output ces x64frev

(often seen as CES_X64FREV_EN-US_DV9 ) is an internal volume label and naming convention used by Microsoft for specific 64-bit Windows installation media. While these codes appear cryptic to average users, they follow a structured logic used for inventory, deployment, and identification within enterprise environments and software distribution networks like MSDN or VLSC. Breaking Down the Code Here is a detailed breakdown of what each segment means

Users typically encounter the string as a drive label or virtual partition due to three common scenarios: While these codes appear cryptic to average users,

: Right-click the drive icon in File Explorer and select Eject . This will unmount the virtual disc and the drive letter will disappear.

: During major OS upgrades or custom OEM factory resets, installation files may temporarily extract to a secondary partition on your local Solid State Drive (SSD) or Hard Disk Drive (HDD). How to Safely Remove or Unmount the Drive