Talk:Deus Ex console commands/@comment-24.112.135.10-20170706231340/@comment-69.92.177.152-20191018082851

That's because:

(1) You have to start the game at least once to make it create DeusEx.ini and User.ini

(2) It's not in Documents. If it's the Steam version, it'll be in the following directory:

C:\Program Files (x86)\Steam\SteamApps\common\Deus Ex\System