Feature request: Windows User Agent for Falkon

Jérémy Bézairie jeremy.bezairie at gmail.com
Sat Jul 19 12:48:43 BST 2025


Hi

I'm on Arch Linux KDE on PC.

I made the video game Battlefield 3 via Steam Proton Experimental working:

https://www.pcgamingwiki.com/wiki/Battlefield_3#Play_the_game_without_Origin
https://www.pcgamingwiki.com/wiki/Battlefield_3#Origin_error_-_.22Could_not_activate.22


Chromium (default web browser):
User-Agent Switcher and Manager
https://chromewebstore.google.com/detail/user-agent-switcher-and-m/bhchdcejhohfmigjafbampogmaanbfkg
installed
User Agent selected: Chrome 136.0.7103.48 Windows 10

Steam:
PLAY EALauncher.exe
Battlefield 3
PLAY
it launches https://battlelog.battlefield.com/bf3 on Chromium
e.g. CAMPAIGN, LAUNCH CAMPAIGN, it launches Battlefield 3 !


The User Agent step is needed, otherwise:

Unable to launch the game from this device

Please check that you fulfil all of these requirements:

x Windows Vista or later
✓ Compatible 32-bit (not 64-bit) Web Browser


The issue: I obviously prefer Falkon than Chromium, but:

Falkon, Preferences, Other, User Agent Manager, Use different User Agents
for specified sites, Add,
Site domain: https://battlelog.battlefield.com/bf3
User Agent: no Windows User Agent available...


So the feature request?
How to add a Windows User Agent on Falkon?
What is the location of the User Agents of Falkon?

I googled without success:

falkon windows user agent
falkon user agent location


Thanks.

https://www.protondb.com/app/1238820
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