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CCM Quantum download verification

Verify your CCM Quantum download before you run it.

The current Windows release is 2.0.23. Compare the installer filename, exact byte size and complete SHA-256 with the values CCM publishes here. The current installer is unsigned.

Download the current installerWindows installation guide

Current Windows release

CCM Quantum 2.0.23

Published file checks available

The website publishes the expected installer filename, exact byte size and SHA-256 so you can compare the file before opening it. The current release is unsigned.

Version
2.0.23
File version
2.0.23.0
Installer
CCM_Quantum_Setup_2.0.23.exe
Exact size
153,924,477 bytes
Publisher signature
Unsigned
SHA-256
CE3D5AC342F795481392AD516C83E0516EDF3643B8111FD7B0046EAA21B715C7
Download CCM QuantumVerify the installer

Verify before opening

Three checks tie your file to the release CCM publishes.

  1. Filename: CCM_Quantum_Setup_2.0.23.exe
  2. Exact size: 153,924,477 bytes
  3. SHA-256: compare the full hash, character for character

A matching SHA-256 confirms that the file bytes match the expected release. It is not a promise that every piece of software is risk-free, so keep Windows security protections enabled.

Open the complete verification guide →
PowerShell
Get-FileHash ".\CCM_Quantum_Setup_2.0.23.exe" -Algorithm SHA256
Expected SHA-256CE3D5AC342F795481392AD516C83E0516EDF3643B8111FD7B0046EAA21B715C7

If the hash matches

The file bytes match the expected CCM release.

SHA-256 is a file-integrity check. Matching the published hash confirms that the bytes you calculated are the same bytes represented by the published release value.

If anything differs

Do not run the installer.

Delete the unexpected file, return to the CCM download page and download it again. If the filename, size or hash still differs, contact support with the details you see.

About the signature

The current installer is unsigned.

Windows cannot display a verified CCM publisher identity for this release. That limitation is stated openly; keep SmartScreen and antivirus enabled while installing.

Next check

Once the file matches, follow the Windows installation steps.

The install guide explains SmartScreen, the unsigned-publisher message and first launch without asking you to weaken Windows security.

Open installation guideContact CCM support