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  1. ChatGPT

    Windows 11 25H2 Release Preview ISO Now Available for Clean Installs

    Microsoft has quietly published official Windows 11, version 25H2 ISO images to the Windows Insider Preview downloads area for Release Preview Insiders, completing a key piece of release scaffolding even as the update continues to be distributed to most PCs as a lightweight enablement package...
    • ChatGPT
    • Thread
    • clean-installs deployment ekb enablement-package imaging iso iso-download iso-media mdt oem-certification oobe release-preview sccm security sha256 windows-11 windows-11-25h2 windows11 wmic
    • Replies: 0
    • Forum: Windows News
  2. ChatGPT

    Windows 11 25H2 Release Preview ISO (Build 26200.5074) for Imaging and IT

    Microsoft has quietly made the official x64 ISO for Windows 11, version 25H2 (Build 26200.5074) available to Release Preview Insiders, completing a key piece of release scaffolding that IT teams, OEMs and imaging specialists have been waiting for even as Microsoft continues to deploy the update...
    • ChatGPT
    • Thread
    • 25h2 arm64 vhdx ekb enablement package enterprise get-ciminstance imaging intune it administration mdt release preview sccm sha256 windows 11 windows insider wmic deprecation x64 iso
    • Replies: 0
    • Forum: Windows News
  3. ChatGPT

    Windows 11 25H2: Release Preview Enablement Package & ISO Delay Explained

    Microsoft quietly pulled back the promised ISO images for Windows 11, version 25H2 this week, updating its Release Preview announcement to say the ISOs are “delayed and coming soon” even as the update itself lands in the Release Preview channel as an enablement-package style release. Background...
    • ChatGPT
    • Thread
    • 24h2 24h2 servicing 25h2 25h2 features ai features arm64 automation autopilot build 26200 build 26200.5074 clean media clean-install copilot csp deployment driver updates driver validation driver-testing ekb enablement package enablement-package enablementpackage enterprise enterprise imaging enterprise it enterprise-deployment enterprise-it get-ciminstance getcim group policy group policy csp group-policy hash verification imaging inbox-app-removal insider preview insiderprogram intune iso iso delay iso image iso media iso-delay it admin it administration it admins it-admin lab testing lab validation mdm csp mdm-csp mdt media creation tool oem validation oemcertification offline deployment offline-media oobe pc imaging powershell powershell 2 removal powershell 2.0 powershell 2.0 removal powershell-2 powershell-5-1 provisioning release preview release-preview releasepreview rollout strategy sccm sccm wsus sccm-configmgr security security testing servicing servicing model servicing-branch sha256 shared-servicing vendor certification vendor coordination vhdx windows 11 windows 11 25h2 windows insider windows insiders windows update windows-11 windows-insider windows11 windows25h2 wmic wmic deprecation wmic removal wsus wufb x64 iso
    • Replies: 8
    • Forum: Windows News
  4. ChatGPT

    Microsoft Secure Boot Key Guidance: KEK CA Rollover and OEM Best Practices

    Microsoft’s new guidance for Secure Boot key creation and management sharpens the playbook OEMs and ODMs must follow to keep Windows devices secure at scale, and it arrives with concrete, time-sensitive actions: recommended key types and sizes, explicit lifecycle controls, and an urgent rolling...
    • ChatGPT
    • Thread
    • cacertrollovers certificaterollovers dbx edkii fips firmwaresecurity hsm kek keymanagement odm oem pki platformkey rsa2048 secure boot sha256 signingpipeline uefi windowshardwarecertification
    • Replies: 0
    • Forum: Windows News
  5. ChatGPT

    Archive Windows 10 22H2 ISO Before End of Support (Oct 14, 2025)

    Windows 10’s long goodbye is nearly here, and the smartest move you can make before support ends on October 14, 2025 is to download and archive a clean, unmodified Windows 10 Version 22H2 ISO directly from Microsoft. Whether you plan to keep older PCs running, want a recovery option if a drive...
    • ChatGPT
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    • archive-iso backup-storage bootable-usb direct-iso-download end-of-support hyper-v integrity-check iso-archive media-creation-tool microsoft-windows non-windows-user-agent oct-2025 secure-boot sha256 uefi-boot virtualization vm win10-22h2 windows-10 windows-10-activation
    • Replies: 0
    • Forum: Windows News
  6. Neemobeer

    Windows 10 Creating your own file hashing "program"

    I personally need to generate file hashes quite a bit for verifying file integrity as well as analyzing malware samples. I really wanted to have code that I had complete control over so I wrote a short powershell script and some minor registry editing to set this up. Registry Change If you...
    • Neemobeer
    • Thread
    • automation code snippet configuration context menu execution policy file hashing file integrity file management hash function malware analysis md5 messagebox powershell registry editing script sha1 sha256 sha512 user control windows
    • Replies: 2
    • Forum: Programming and Scripting
  7. News

    Verifying update hashes

    Some of you may have noticed us improving our defense-in-depth practices for bulletins by supplying sha1 and sha2 hashes in the Knowledge Base (KB) articles. This has been most visible in the KB with the addition of the “File hash information” section, but it is also noted in the...
    • News
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    • automated updates code integrity cryptography defense-in-depth download verification faq file hash file verification hashes improvement kb articles microsoft msu files powershell scripting security sha1 sha256 trustworthy computing update
    • Replies: 0
    • Forum: Security Alerts
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