Windows vista extended kernel 32 bit

About a month ago I started working on kernel extensions for Windows NT 6.0.

The x64 branch of the extended kernel is quite mature, running current versions of Firefox/Gecko-based browsers, GIMP 2.10.18 and PassMark PerformanceTest 10.0. A release of Brave browser based on Chromium 83 has a fault that points to an entry in the import table of kernel32 as of writing, but Electron-based applications like Visual Studio Code work.

The x86 branch is much younger and I’m just getting to grips with making x86 kernel extensions, though it will help with the many x86-native applications still floating around including Office 2013+ installers, as well as those who run Vista x86.

There are two ways to install the extended kernel files.

First Method
Replacement of Files in System Folders
Simply put, you copy the extended kernel files to the system32 and syswow64 (for x86 files on x64 systems) folders. Obviously you will have to do this from another OS. From another version of Windows, you will have take ownership of each file to be replaced. From Linux/BSD/etc. you don’t have to worry about permissions.

This method is necessary to ensure proper functioning of the address and search bars in Firefox 68+ based browsers. Otherwise search engine data is not downloaded and you will have to type in URLs manually, including extensions (like https://, ftp:// etc.).

All software will now rely on my files. Keep your original Vista files handy for when Vista-compatible applications exhibit unforseen behaviour; VMware WS 10-12 installers are one such example.
This method may also be undesirable if you make use of ESU updates.

Second Method
Local DLL Redirection
In this case, the system relies on the original MS DLLs and only user-specified programs will be able to use my DLLs and their extra functions. Preferred if you are concerned about malware using W7+ functions and/or use ESU updates.

Even if you use the first method, you can use this method to substitute extended DLLs with original Vista DLLs if Vista-compatible applications are broken.

To prepare for DLL redirection, create the following registry key and reboot:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionImage File Execution Options]
"DevOverrideEnable"=dword:00000001

Once you have done that, you can make programs use my modified files by creating a file or folder labelled xxxx.exe.local (where xxxx.exe is the program’s executable) in the program’s folder. If a .local file is created, then modfiied files are placed in the program’s folder. If a .local folder is created, then the modified files are placed in that folder.

Unfortunately, offering the download links in this thread would run afoul of the anti-XP+ policy, even after I badly scarred and abused the files. So contact me directly if you are interested or have questions.