Windows Editions Reconstruction Project

How do I know what UpdateId is?

 

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How to use PSFExtractor.7z, I feel that some files are missing.

 

1. Put these two files into PSFExtractor.
Windows10.0-KB5004092-x64.cab
Windows10.0-KB5004092-x64.psf

2. Press left-button on Windows10.0-KB5004092-x64.cab --> Drag to PSFExtractor.exe --> Release left-button.

3. Windows10.0-KB5004092-x64 created.

4. Compress Windows10.0-KB5004092-x64 to Windows10.0-KB5004092-x64.cab

5. Put this Windows10.0-KB5004092-x64.cab to replace the old one in UUPs

6. Creat ISO

 

Thank you very much.

 

Q: How to use it with command line?

Q: How to compress the folder into .cab?

Q: How to directly make them into .cab with script?

Last step if necessary:

Q: How to download and convert them into .cab at a time?

 

Q: Where is the URB from?
A: e.g. 21390.1010
amd64_microsoft-windows-coreos-revision_31bf3856ad364e35_10.0.21390.1010_none_2e13a335ada6ed8b.manifest

Code:

    <registryKey keyName="HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion">
      <registryValue name="UBR" valueType="REG_DWORD" value="0x000003F2" />
    </registryKey>

 

Q: About LCU package extraction, what is the difference between from System and from LCU?
A:

From System: Whole Package, or whole System, it depends on which package you extract.
From LCU: Only LCU

 

Q: What is this? Microsoft-Windows-Server-DesktopUX-Package~31bf3856ad364e35~amd64~ro-RO~10.0.21390.1010

Apparently, it is 21390.1010 Server Desktop Experience.

 

Can you build a 21390 Server Desktop Experience system?

 

@xinso
What tool or script do i use to turn the folder into a cab?

 

Impossible.

 

Oh, I can do it for small single cab only - I don't know how to make sub-package(s) in 2GB.

So, for bigger ones, I use .esd. (Yes, esd can be installed normally. e.g. The custom 20348.51 LCU for Server in Web style, windows10.0-kb5003645-x64-Web.esd.)

 

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@xinso i get this when i try to run the script. what am i doing wrong?
it also deletes the psf file when i try to run it
i modified the set FOLDER= value to this: set FOLDER=windows10.0-kb5003837-x64 as im testing out 21382.1000

 

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Q: UBR, for what?

You see it as Update Build Revision, I check it for package porting.