New Versions of Firefox on Vista with Extended Kernel

[legacyfan]

ive recently been experimenting with different browsers on vista and was wondering if there was any possible way to get the latest version of firefox working on it (it seems like it would be possible with the extended kernel) but I don't know so would this be possible at all 

[mina7601]

Yes, it is possible to get latest Firefox version working with extended kernel. 

Make sure you have the latest Extended Kernel.

First, download the latest Firefox x64 installer from here.

Then, to install Firefox, there are 2 ways:

The first way (IMO, it is the easiest way to install Firefox, since you are spoofing its installer after unpacking it only ):

1- Extract the Firefox x64 installer with WinRAR (or 7-Zip) by right clicking on the installer and selecting Extract.

2- Open Notepad and put the following contents:

[C:\Users\<username>\Downloads\Firefox Setup X\setup.exe]
BuildNumber=7601

(replace <username> with the username you used on your computer, and replace X with the Firefox version that the installer will install, e.g. if the version of Firefox the installer will install is 108, replace X with 108.0)

On File menu, click Save As, and save the file as osver.ini on the Desktop (you have to change the "Save as type" to "All Files" to save it as .ini, otherwise, it will save as osver.ini.txt), then move it to Windows folder in C:\ drive.

3- Open Firefox setup (named setup.exe) from the "Firefox Setup X" folder and follow the instructions. Once setup finishes, untick "Launch Firefox now".

The second way (I use the first way, it's better IMO, than spoofing the entire OS just to run the installer unpacked ):

1- Open osver.ini (which was created Desktop, then moved to C:\Windows) and add the following contents:

[Global]
Enabled=1
MajorVersion=6
MinorVersion=1

2- Open Firefox setup (named Firefox Setup X.exe) and follow the instructions. Once setup finishes, untick "Launch Firefox now".

If you followed the steps carefully for one of the above ways, congratulations, you have installed Firefox successfully!

But, if you open Firefox immediately, you will notice that the font of Firefox isn't displayed properly! To fix this, open osver.ini and add the following contents:

[C:\Program Files\Mozilla Firefox\firefox.exe]
Enabled=1
BuildNumber=7601

Done! You now have the latest Firefox working on Vista with extended kernel! 

Edited December 30, 2022 by mina7601

[legacyfan]

thanks! this would also make a good guide for anyone new to using the extended kernal (the pin request has been put in)

Edited December 30, 2022 by legacyfan