Ces-x64frev-en-us-dv9 ((better)) Jun 2026

It has been a standard file format for early Windows 11 development builds. Creating Installation Media with ces-x64frev-en-us-dv9

This segment is the most likely source of confusion. In Microsoft's naming, this typically appears as "FRE", which stands for "Full Release Edition". The "V" in "frev" is often an erroneous addition. Therefore, "x64frev" is almost certainly meant to be x64FRE , denoting a 64-bit Full Release Edition. This conclusion is supported by numerous examples of official media labels like SSS_X64FREV_EN-US_DV9 and community discussions identifying FRE = Free from Mr. Threat .

Understanding the CCCOMA_X64FRE_EN-US_DV9 (CES-X64FREV-EN-US-DV9) Windows 10 Installation Media

4.2 Malicious or Tampered Images

To check activation status:

Often signifies the Client consumer (or sometimes specifically Pro/Enterprise OEM/Volume) build. X64: Indicates the architecture is 64-bit .

Confirms it is part of a Volume Licensing package, intended for large organizations that manage software licenses through Microsoft Volume Licensing Service Center (VLSC) or Microsoft 365 Admin Center . ces-x64frev-en-us-dv9

A mounted installation disc reserves a tiny portion of active system memory, but removing it takes only a couple of clicks: Open (or select "This PC"). Locate the virtual drive labeled CES-X64FREV-EN-US-DV9 . Right-click the virtual drive icon. Select Eject from the context menu.

If the code were related to a Microsoft product, each segment would typically convey specific information. It's useful to understand this pattern as it clarifies the type of software or tool you might be searching for.

Understanding what this string represents helps ensure you are using the correct OS architecture, distribution channel, language, and deployment method. Decoding the String: What Each Part Means It has been a standard file format for

Designed exclusively for modern 64-bit processor architectures.

Yes, CCCOMA_X64FRE_EN-US_DV9 is entirely legitimate. If you created this media yourself from the official Microsoft website, it is a safe and trusted source for installing or repairing Windows 10, including the final 22H2 version. If you're interested, I can:

: Specifies that the default region and language pack integrated into this installation payload is US English . The "V" in "frev" is often an erroneous addition

If you notice a drive on your machine bearing this complicated name, there is no need to panic. It is not malware or a corrupted file system.

Are you trying to or upgrade your version? Do you see any error codes when trying to eject it? I can tailor a specific fix based on your situation. Share public link